List of numbers

This is a list of the articles about numbers.

Table of contents

1 Rational numbers 1.1 Integers 1.1.1 Natural numbers 1.1.2 Notable Integers 1.1.3 Number Naming 1.1.3.1 Alternate names 1.2 Fractional rational numbers 1.3 One 1.4 Zero 2 Irrational real numbers 2.5 Algebraic irrational real numbers 2.6 Transcendental real numbers 3 Hypercomplex numbers 3.7 Algebraic complex numbers 3.8 Other hypercomplex numbers 4 Some transfinite numbers 5 Number bases 6 Numbers without a set value 7 See also 8 External links

Rational numbers

Integers

Natural numbers

0	1	2	3	4	5	6	7	8	9
10	11	12	13	14	15	16	17	18	19
20	21	22	23	24	25	26	27	28	29
30	31	32	33	34	35	36	37	38	39
40	41	42	43	44	45	46	47	48	49
50	51	52	53	54	55	56	57	58	59
60	61	62	63	64	65	66	67	68	69
70	71	72	73	74	75	76	77	78	79
80	81	82	83	84	85	86	87	88	89
90	91	92	93	94	95	96	97	98	99
100	101	102	103	104	105	106	107	108	109
110	111	112	113	114	115	116	117	118	119
120	121	122	123	124	125	126	127	128	129
130	131	132	133	134	135	136	137	138	139
140	141	142	143	144	145	146	147	148	149
150	151	152	153	154	155	156	157	158	159
160	161	162	163	164	165	166	167	168	169
170	171	172	173	174	175	176	177	178	179
180	181	182	183	184	185	186	187	188	189
190	191	192	193	194	195	196	197	198	199
200	210	220	230	240	250	260	270	280	290
300	400	500	600	700	800	900
1000	2000	3000	4000	5000	6000	7000	8000	9000
1 E0	1 E1	1 E2	1 E3	1 E4	1 E5	1 E6	1 E7	1 E8	1 E9
1 E10	1 E11	1 E12	1 E13	1 E14	1 E15	1 E16	1 E17	1 E18	1 E19

Notable Integers

Other numbers that are notable for their mathematical properties or cultural meanings include:

• -40
• -1
• 222
• 255
• 273
• 360
• 369
• 420
• 496
• 666
• 720
• 880
• 911
• 1,001
• 1,729
• 2,520
• 142,857
• 275,305,224
• 2,147,483,647
• 4,294,967,297

Other well-known integers include Steinhaus' Mega and Megiston, Moser's number, Skewes' number and Graham's number.

Number Naming

In the following tables, [and] indicates that the word and is used in some dialects (such as British English), and omitted in other dialects (such as American English).

Value	English		Indian English
0	Zero
1	One
2	Two	Couple
3	Three
4	Four
5	Five
6	Six
7	Seven
8	Eight
9	Nine
10	Ten
11	Eleven
12	Twelve	Dozen
13	Thirteen
14	Fourteen
15	Fifteen
16	Sixteen
17	Seventeen
18	Eighteen
19	Nineteen
20	Twenty	Score
21	Twenty-one
22	Twenty-two
23	Twenty-three
24	Twenty-four
25	Twenty-five
26	Twenty-six
27	Twenty-seven
28	Twenty-eight
29	Twenty-nine
30	Thirty
31	Thirty-one
40	Forty
50	Fifty
60	Sixty
70	Seventy
80	Eighty
90	Ninety
100	One hundred
101	One hundred [and] one
110	One hundred [and] ten
111	One hundred [and] eleven
121	One hundred [and] twenty-one
200	Two hundred
201	Two hundred [and] one
211	Two hundred [and] eleven
300	Three hundred
1,000	One thousand
1,001	One thousand [and] one
1,011	One thousand [and] eleven
1,100	One thousand one hundred
1,101	One thousand one hundred [and] one
2,000	Two thousand
10,000	Ten thousand	Myriad
100,000	One hundred thousand		Lakh
1,000,000	One million
10,000,000	Ten million		Crore

NOTE: There is no consistent and widely accepted way to extend beyond a Centillion, or a Centilliard

Value	Chuquet (American)	Modified Chuquet (Britannic)	Pelletier (European)
0	Zero	Zero	Zero
100	One	One	One
101	Ten	Ten	Ten
102	Hundred	Hundred	Hundred
103	Thousand	Thousand	Thousand
106	Million	Million	Million
109	Billion	Thousand million	Milliard
1012	Trillion	Billion	Billion
1015	Quadrillion	Thousand billion	Billiard
1018	Quintillion	Trillion	Trillion
1021	Sextillion	Thousand trillion	Trilliard
1024	Septillion	Quadrillion	Quadrillion
1027	Octillion	Thousand quadrillion	Quadrilliard
1030	Nonillion	Quintillion	Quintillion
1033	Decillion	Thousand quintillion	Quintilliard
1036	Undecillion	Sextillion	Sextillion
1039	Duodecillion	Thousand sextillion	Sextilliard
1042	Tredecillion	Septillion	Septillion
1045	Quattuordecillion	Thousand septillion	Septilliard
1048	Quindecillion	Octillion	Octillion
1051	Sexdecillion	Thousand octillion	Octilliard
1054	Septendecillion	Nonillion	Nonillion
1057	Octodecillion	Thousand nonillion	Nonilliard
1060	Novemdecillion	Decillion	Decillion
1063	Vigintillion	Thousand decillion	Decilliard
1066	Unvigintillion	Undecillion	Undecillion
1069	Duovigintillion	Thousand undecillion	Undecilliard
1072	Trevigintillion	Duodecillion	Duodecillion
1075	Quattuorvigintillion	Thousand duodecillion	Duodecilliard
1078	Quinvigintillion	Tredecillion	Tredecillion
1081	Sexvigintillion	Thousand tredecillion	Tredecilliard
1084	Septenvigintillion	Quattuordecillion	Quattuordecillion
1087	Octovigintillion	Thousand quattuordecillion	Quattuordecilliard
1090	Novemvigintillion	Quindecillion	Quindecillion
1093	Trigintillion	Thousand quindecillion	Quindecilliard
1096	Untrigintillion	Sexdecillion	Sexdecillion
1099	Duotrigintillion	Thousand sexdecillion	Sexdecilliard
10102	Tretrigintillion	Septendecillion	Septendecillion
10105	Quattuortrigintillion	Thousand septendecillion	Septendecilliard
10108	Quintrigintillion	Octodecillion	Octodecillion
10111	Sextrigintillion	Thousand octodecillion	Octodecilliard
10114	Septentrigintillion	Novemdecillion	Novemdecillion
10117	Octotrigintillion	Thousand novemdecillion	Novemdecilliard
10120	Novemtrigintillion	Vigintillion	Vigintillion
10123	Quadragintillion	Thousand vigintillion	Vigintilliard
10126	Unquadragintillion	Unvigintillion	Unvigintillion
10129	Duoquadragintillion	Thousand unvigintillion	Unvigintilliard
10132	Trequadragintillion	Duovigintillion	Duovigintillion
10135	Quattuorquadragintillion	Thousand duovigintillion	Duovigintilliard
10138	Quinquadragintillion	Trevigintillion	Trevigintillion
10141	Sexquadragintillion	Thousand trevigintillion	Trevigintilliard
10144	Septenquadragintillion	Quattuorvigintillion	Quattuorvigintillion
10147	Octoquadragintillion	Thousand quattuorvigintillion	Quattuorvigintilliard
10150	Novemquadragintillion	Quinvigintillion	Quinvigintillion
10153	Quinquagintillion	Thousand quinvigintillion	Quinvigintilliard
10156	Unquinquagintillion	Sexvigintillion	Sexvigintillion
10159	Duoquinquagintillion	Thousand sexvigintillion	Sexvigintilliard
10162	Trequinquagintillion	Septenvigintillion	Septenvigintillion
10165	Quattuorquinquagintillion	Thousand septenvigintillion	Septenvigintilliard
10168	Quinquinquagintillion	Octovigintillion	Octovigintillion
10171	Sexquinquagintillion	Thousand octovigintillion	Octovigintilliard
10174	Septenquinquagintillion	Novemvigintillion	Novemvigintillion
10177	Octoquinquagintillion	Thousand novemvigintillion	Novemvigintilliard
10180	Novemquinquagintillion	Trigintillion	Trigintillion
10183	Sexagintillion	Thousand trigintillion	Trigintilliard
...	...	...	...
10213	Septuagintillion	Thousand quintrigintillion	Quintrigintilliard
...	...	...	...
10240	Novemseptuagintillion	Quadragintillion	Quadragintillion
10243	Octogintillion	Thousand quadragintillion	Quadragintilliard
...	...	...	...
10273	Nonagintillion	Thousand quinquadragintillion	Quinquadragintilliard
...	...	...	...
10300	Novemnonagintillion	Quinquagintillion	Quinquagintillion
10303	Centillion	Thousand quinquagintillion	Quinquagintilliard
...	...	...	...
10360		Sexagintillion	Sexagintillion
10363		Thousand sexagintillion	Sexagintilliard
...	...	...	...
10420		Septuagintillion	Septuagintillion
10423		Thousand septuagintillion	Septuagintilliard
...	...	...	...
10480		Octogintillion	Octogintillion
10483		Thousand octogintillion	Octogintilliard
...	...	...	...
10540		Nonagintillion	Nonagintillion
10543		Thousand nonagintillion	Nonagintilliard
...	...	...	...
10600		Centillion	Centillion
10603		Thousand centillion	Centilliard
...	...	...	...

See How to name numbers in English or English language numerals for more information on naming numbers.

Extended Number List

Value	Variant Chuquet	Extended Pelletier	Knuth Myriadistic	Rowlett
100	One	One	One (1)	One
101	Ten	Ten	Ten (10)	Ten
102	Hundred	Hundred	Hundred (100)	Hundred	C
103	Thousand	Thousand	Thousand (1000)	Thousand	k or G Kilo
104	Ten thousand	Ten thousand	Myriad (1,0000)	Ten thousand
105	Hundred thousand	Hundred thousand	Ten myriad (1,0000)	Hundred thousand	Lakh
106	Million	Million	Hundred myriad (100,0000)	Million	Meg
107	Ten million	Ten million	Thousand myriad (100,0000)	Ten million	Crore
108	Hundred million	Hundred million	Myllion (1;0000,0000)	Hundred million	Awk
109	Billion	Milliard	Ten myllion (10;0000,0000)	Gillion
1012	Trillion	Billion	Myriad myllion (1,0000;0000,0000)	Tetrillion
1015	Quadrillion	Billiard	Thousand myriad myllion (1000,0000;0000,0000)	Pentillion
1016	Ten quadrillion	Ten billiard	Byllion (1:0000,0000;0000,0000)	Ten pentillion
1018	Quintillion	Trillion	Hundred byllion	Hexillion
1021	Sextillion	Trilliard	Ten myriad byllion	Heptillion
1024	Septillion	Quadrillion	Myllion byllion	Oktillion
1027	Octillion	Quadrilliard	Thousand myllion byllion	Ennillion
1030	Nonillion	Quintillion	Hundred myriad myllion byllion	Dekillion
1032	Hundred nonillion	Hundred quintillion	Tryllion	Hundred dekillion
Tryllion (1 0000,0000;0000,0000:0000,0000;0000,0000)
1033	Decillion	Quintilliard	Ten tryllion
1036	Decimillion	Sextillion	Myriad tryllion	Hendekillion
1039	Decibillion	Sextilliard	Thousand myriad tryllion	Dodekillion
1042	Decitrillion	Septillion	Hundred myllion tryllion	Trisdekillion
1045	Deciquadrillion	Septilliard	Ten myriad myllion tryllion	Tetradekillion
1048	Deciquintillion	Octillion	Byllion tryllion	Pentadekillion
1051	Decisextillion	Octilliard	Thousand byllion tryllion	Hexadekillion
1054	Deciseptillion	Nonillion	Hundred myriad byllion tryllion	Oktadekillion
1056	Hundred deciseptillion	Hundred nonillion	Myllion byllion tryllion	Hundred oktadekillion
1057	Decioctillion	Nonilliard	Ten myllion byllion tryllion	Enneadekillion
1060	Decinonillion	Decillion	Myriad myllion byllion tryllion	Icosillion
1063	Vigintillion	Decilliard	Thousand myriad myllion byllion tryllion	Icosihenillion
1064	Ten vigintillion	Ten decilliard	Quadryllion	Ten icosihenillion
Quadryllion (1'0000,0000;0000,0000:0000,0000;0000,0000 0000,0000;0000,0000:0000,0000;0000,0000)
1066	Vigintimillion	Undecillion	Hundred quadryllion	Icosidillion
1069	Vigintibillion	Undecilliard	Ten myriad quadryllion	Icositrillion
1072	Vigintitrillion	Duodecillion	Myllion quadryllion	Icositetrillion
1075	Vigintiquadrillion	Duodecilliard	Thousand myllion quadryllion	Icosipentillion
1078	Vigintiquintillion	Tredecillion	Hundred myriad myllion quadryllion	Icosihexillion
1081	Vigintisextillion	Tredecilliard	Ten byllion quadryllion	Icosiheptillion
1084	Vigintiseptillion	Quattuordecillion	Myriad byllion quadryllion	Icosioktillion
1087	Vigintioctillion	Quattuordecilliard	Thousand myriad byllion quadryllion	Icosiennillion
1090	Vigintinonillion	Quindecillion	Hundred myllion byllion quadryllion	Triacontillion
1093	Trigintillion	Quindecilliard	Ten myriad myllion byllion quadryllion	Triacontahenillion
1096	Trigintimillion	Sexdecillion	Tryllion quadryllion	Triacontadillion
1099	Trigintibillion	Sexdecilliard	Thousand tryllion quadryllion	Triacontatrillion
10100	Ten trigintibillion	Ten sexdecilliard	Myriad tryllion quadryllion	Ten triacontatrillion	Googol
10102	Trigintitrillion	Septendecillion	Hundred myriad tryllion quadryllion	Triacontatetrillion
10117	Ten trigintisexillion	Ten octodecilliard	Ten myriad byllion tryllion quadryllion	Triacontaennillion
10120	Trigintinonillion	Vigintillion	Myllion byllion tryllion quadryllion	?
10128	Hundred quadragintimillion	Hundred unvigintillion	Quintyllion
Quintyllion ( 1"0000,0000;0000,0000:0000,0000;0000,0000 0000,0000;0000,0000:0000,0000;0000,0000'0000,0000;0000,0000:0000,0000;0000,0000 0000,0000;0000,0000:0000,0000;0000,0000 )
10248	Hundred octogintimillion	Hundred unquadragintillion	Myllion byllion tryllion quadryllion quintyllion
10256	Ten octogintiquadrillion	Ten duoquadragintilliard	Sextyllion
10303	Centillion	Quinquagintilliard	Thousand myriad myllion tryllion sextyllion
10512	?	?	Septyllion
10600	?	Centillion	Myllion byllion quadryllion septyllion
10603	?	Centilliard	Thousand myllion byllion quadryllion septyllion
101024	?	?	Octyllion
102048	?	?	Nonyllion
103003	Millillion	?	* see below
	Thousand myllion byllion tryllion quintyllion sextyllion septyllion nonyllion
104096	?	?	Decyllion
106000	?	Millillion	* see below
	Byllion tryllion sextyllion septyllion octyllion decyllion
106003	?	Millilliard	* see below
	Thousand byllion tryllion sextyllion septyllion octyllion decyllion
108192	?	?	Undecyllion
1016,384	?	?	Duodecyllion
1030,003	Myrillion	?	* see below
	Thousand byllion tryllion sextyllion octyllion decyllion undecyllion duodecyllion
1032,768		?	Tredecyllion
1060,000		Myrillion	* see below
	Tryllion quadryllion septyllion nonyllion undecyllion duodecyllion tredecyllion
1060,003		Myrilliard	* see below
	Thousand tryllion quadryllion septyllion nonyllion undecyllion duodecyllion tredecyllion
1065,536			Quattuordecyllion
10131,072			Quindecyllion
10262,144			Sexdecyllion
10524,288			Septendecyllion
101,048,576			Octodecyllion
102,097,152			Novemdecyllion
104,194,304			Vigintyllion
104,294,967,296			Trigintyllion
104*240			Quadragintyllion
104*250			Quinquagintyllion
104*260			Sexagintyllion
104*270			Septuagintyllion
104*280			Octogintyllion
104*290			Nonagintyllion
104*2100			Centyllion
104*21000			Millyllion
104*210,000			Myryllion
1010100					Googolplex
...	...	...	...	...

See names of large numbers for ever more controversial numbers, exceeding Myrillion.

Alternate names

0	nought, nowt, oh, nil, zilch, none
1	single, unity
2	pair, brace, couple
6	half dozen
12	dozen
13	baker's dozen
20	score
144	gross (a dozen dozen) (a small gross)
1728	great gross (a dozen gross)
10000	myriad
10100	googol (ten duotrigintillion)
1010^100	googolplex (10googol)
n8	zenzizenzizenzic (The eighth power of any number)
10-n	minex (Ten to the negative n-th power, n being any number)
10+n	plex (Ten to the positive n-th power, n being any number)

Fractional rational numbers

• 355/113
• 22/7
• 1/2
• 1/4
• 1/10

One

• Unity
• Single
• Loose

Some numbers close to 1

Value	Name
10 10+1	Ten	Oneplex
1010-1 100.1	1.2589254117941672104239541063958	Tenthplex
11/10 11*10-1 1.1	One point one	Eleven tenths
101/(10100) 101/googol 10googolminex	Googolminexplex
1 100 (10+/- 0) 1.000...	One	Zeroplex Zerominex
10-1/(10100) 10-1/googol 10-googolminex	Googolminexminex
9/10 9*10-1 0.9	Zero point nine	Nine tenths
10-10-1 10-0.1	0.79432823472428150206591828283639	Tenthminex
0.1 10-1	Zero point one	Oneminex

Zero

• Zilch
• Nada
• Nil
• Naught
• Nought

Some small numbers

Value	Name
1	One	Unity
1/2 0.5 2-1	Half Zero point five	Five tenths
1/3 0.333... 3-1	Third Zero point three three three...	Two sixths Three ninths
1/4 0.25 2-2 (4-1)	Quarter Zero point two five
1/5 0.2 5-1	Fifth Zero point two
1/6 0.1666... 6-1	Sixth Zero point one six six six...
1/7 0.142857... 7-1	Seventh Zero point one four two eight five seven...
1/8 0.125 2-3 (8-1)	Eighth Zero point one two five
1/9 0.2 3-2 (9-1)	Ninth Zero point two
1/10 0.125 10-1	Tenth Zero point one	Perdix
1/11 0.09... 11-1	Eleventh Zero point zero nine...
1/16 0.0625 2-4	Sixteenth Zero point zero six two five
1/20 0.05 20-1	Twentyth Zero point zero five
1/21 0.047619... 21-1	Twenty first Zero point zero four seven six one nine...
1/22 0.045... 22-1	Twenty second Zero point zero four five...
1/23 0.0434782608695652173913... 23-1	Twenty third Zero point zero four three four seven eight two six zero eight six nine five six five two one seven three nine one three...
1/24 0.041666... 24-1	Twenty fourth Zero point zero four one six six six...
1/25 0.04 25-1	Twenty fifth Zero point zero four	Four hundredths
1/60 0.01666... 60-1	Sixtyth Zero point zero one six six six...	Minute
1/100 0.01 10-2 (100-1)	Hundredth Zero point zero one	Percent
1/1000 0.001 10-3 (1000-1)	Thousandth Zero point zero zero one	Permille
1/3600 0.0002777... 3600-1	Three thousand six hundredth Zero point zero zero zero two seven seven seven...	Second
1/10,000 0.0001 10-4 (10,000-1)	Ten thousandth Zero point zero zero zero one	Myriadth Permyria
1/100,000 0.00001 10-5 (100,000-1)	Hundred thousandth Zero point zero zero zero zero one	Lakhth Perlakh
1/1,000,000 0.000001 10-6 (1,000,000-1)	Millionth Zero point zero zero zero zero zero one	Perion
1/10,000,000 0.0000001 10-7 (10,000,000-1)	Ten millionth Zero point zero zero zero zero zero zero one	Crorth Percrore
1/100,000,000 0.00000001 10-8 (100,000,000-1)	Hundred millionth Zero point zero zero zero zero zero zero zero one	Awkth Perawk
1/googol 10-100 (googol-1)	Googolth	Googolminex
1/googolplex 10-10100 (googolplex-1)	Googolplexth	Googolplexminex
1/googolplexplex or 1/googolduplex 10-1010100 (googolplexplex-1 or googolduplex-1)	Googolplexplexth Googolduplexth	Googolplexplexminex Googolduplexminex
1/googolplexplexplex or 1/googoltriplex 10-101010100 ( googolplexplexplex -1 or googoltriplex -1 )	Googolplexplexth Googoltriplexth	Googolplexplexplexminex Googoltriplexminex
0 10-infinity	Zero	Naught

Irrational real numbers

Algebraic irrational real numbers

• Square root of two: √2 = 1.41421...
• Golden ratio: φ = 1.61803...

Transcendental real numbers

• Napier's constant: e = 2.71828...
• pi: π = 3.14159...

and probably

• Euler-Mascheroni constant: γ = 0.57721...
• Feigenbaum constants: δ = 4.6692... and α = 2.5029...

Hypercomplex numbers

Algebraic complex numbers

• Imaginary unit:

Other hypercomplex numbers

• The quaternions
• The octonions
• The sedenions
• The dual numbers (with an infinitesimal)

Some transfinite numbers

• Infinity in general:
• Aleph-null:
• Aleph-one:
• Beth-one: () is the cardinality of the continuum:

• Other surreal numbers, ordinal numbers, and cardinal numbers

Number bases

• base 2
• base 3
• base 4
• base 6
• base 8
• base 10
• base 12
• base 13
• base 16
• base 20
• base 60
• base 64

Numbers without a set value

• umpteen
• jillion
• zillion
• gazillion
• bajillion
• oodles

See also

• Negative number
• Number names
• English language numerals
• Orders of magnitude (numbers)
• Names of large numbers
• Large number
• Small number
• Floating point
• Fraction
• List of prime numbers
• Table of prime factors
• Mathematical constant

External links

• A list of unusual properties for many of the first 1000 natural numbers
• See how to write big numbers
• The MegaPenny Project - Visualizing big numbers
• About big numbers
• Robert P. Munafo's amazing Large Numbers page
• Different notations for big numbers - by Susan Stepney