Ætēaca:Rīma

**Table of names of cardinal and ordinal numbers**
Tácen	Héafodgetæl	Ordinal
0	náht	náhtoða
1	án	forma
2	twégen	óðer
3	þríe	þridda
4	féower	féorða
5	fíf	fífta
6	six	sixta
7	seofon	seofoða
8	eahta	eahtoða
9	nigon	nigoða
10	tíene	téoða
11	endleofan	endleofoða
12	twelf	twelfta
13	þréotíene	þréotéoða
14	féowertíene	féowertéoða
15	fíftíene	fíftéoða
16	sixtíene	sixtéoða
17	seofontíene	seofontéoða
18	eahtatíene	eahtatéoða
19	nineteen	nineteenth
20	twenty	twentieth
21	twenty-one	twenty-first
22	twenty-two	twenty-second
23	twenty-three	twenty-third
24	twenty-four	twenty-fourth
25	twenty-five	twenty-fifth
26	twenty-six	twenty-sixth
27	twenty-seven	twenty-seventh
28	twenty-eight	twenty-eighth
29	twenty-nine	twenty-ninth
30	thirty	thirtieth
40	forty	fortieth
50	fifty	fiftieth
60	sixty	sixtieth
70	seventy	seventieth
71	seventy-one	seventy-first
80	eighty	eightieth
81	eighty-one	eighty-first
90	ninety	ninetieth
91	ninety-one	ninety-first
100	one hundred [1]	one hundredth [1]
101	one hundred and one, one hundred one [1, 3]	one hundred-and-first, one hundred-first [1, 3]
500	five hundred [1]	five-hundredth [1]
750	seven hundred and fifty, seven hundred fifty [1, 3]	seven-hundred-and-fiftieth, seven-hundred-fiftieth [1, 3]
1000	one thousand [1]	one thousandth [1]
1001	one thousand and one, one thousand one [1, 3]	one thousand-and-first, one thousand-first [1, 3]
1100	one thousand one hundred [1, 2], eleven hundred [1, 2]	one thousand-one-hundredth [1], eleven-hundredth [1]
1200	one thousand two hundred [1, 2], twelve hundred [1, 2]	one thousand-two-hundredth [1], twelve-hundredth [1]
1300	one thousand three hundred [1, 2], thirteen hundred [1, 2]	one thousand-three-hundredth [1], thirteen-hundredth [1]
1400	one thousand four hundred [1, 2], fourteen hundred [1, 2]	one thousand-four-hundredth [1], fourteen-hundredth [1]
1500	one thousand five hundred [1, 2], fifteen hundred [1, 2]	one thousand-five-hundredth [1], fifteen-hundredth [1]
1600	one thousand six hundred [1, 2], sixteen hundred [1, 2]	one thousand-six-hundredth [1], sixteen-hundredth [1]
1700	one thousand seven hundred [1, 2], seventeen hundred [1, 2]	one thousand-seven-hundredth [1], seventeen-hundredth [1]
1800	one thousand eight hundred [1, 2], eighteen hundred [1, 2]	one thousand-eight-hundredth [1], eighteen-hundredth [1]
1900	one thousand nine hundred [1, 2], nineteen hundred [1, 2]	one thousand-nine-hundredth [1], nineteen-hundredth [1]
2000	two thousand [1]	two-thousandth [1]
1000000	one million [1]	one millionth [1]
1000000000	one billion [1, 4]	one billionth [1]
10¹²	one trillion [1, 4]	one trillionth [1]
10¹⁵	one quadrillion [1, 4]	one quadrillionth [1]
10¹⁸	one quintillion [1, 4]	one quintillionth [1]
10²¹	one sextillion [1, 4]	one sextillionth [1]
10²⁴	one septillion [1, 4]	one septillionth [1]
10²⁷	one octillion [1, 4]	one octillionth [1]
10³⁰	one nonillion [1, 4]	one nonillionth [1]
10³³	one decillion [1, 4]	one decillionth [1]
10³⁶	one undecillion [1, 4]	one undecillionth [1]
10³⁹	one duodecillion [1, 4]	one duodecillionth [1]
10⁴²	one tredecillion [1, 4]	one tredecillionth [1]
10⁴⁵	one quattuordecillion [1, 4]	one quattuordecillionth [1]
10⁴⁸	one quindecillion [1, 4]	one quindecillionth [1]
10⁵¹	one sexdecillion [1, 4]	one sexdecillionth [1]
10⁵⁴	one septendecillion [1, 4]	one septendecillionth [1]
10⁵⁷	one octodecillion [1, 4]	one octodecillionth [1]
10⁶⁰	one novemdecillion [1, 4]	one novemdecillionth [1]
10⁶³	one vigintillion [1, 4]	one vigintillionth [1]
10⁶⁶	one unvigintillion [1, 4]	one unvigintillionth [1]
10⁶⁹	one duovigintillion [1, 4]	one duovigintillionth [1]
10⁷²	one trevigintillion [1, 4]	one trevigintillionth [1]
10⁷⁵	one quattuorvigintillion [1, 4]	one quattuorvigintillionth [1]
10⁷⁸	one quinvigintillion [1, 4]	one quinvigintillionth [1]
10⁸¹	one sexvigintillion [1, 4]	one sexvigintillionth [1]
10⁸⁴	one septenvigintillion [1, 4]	one septenvigintillionth [1]
10⁸⁷	one octovigintillion [1, 4]	one octovigintillionth [1]
10⁹⁰	one novemvigintillion [1, 4]	one novemvigintillionth [1]
10⁹³	one trigintillion [1, 4]	one trigintillionth [1]
10⁹⁶	one untrigintillion [1, 4]	one untrigintillionth [1]
10⁹⁹	one duotrigintillion [1, 4]	one duotrigintillionth [1]
10¹⁰⁰	one googol [1]	one googolth [1]
10¹⁰²	one tretrigintillion [1, 4]	one tretrigintillionth [1]
10¹⁰⁵	one quattuortrigintillion [1, 4]	one quattuortrigintillionth [1]
10¹⁰⁸	one quintrigintillion [1, 4]	one quintrigintillionth [1]
10¹¹¹	one sextrigintillion [1, 4]	one sextrigintillionth [1]
10^10¹⁰⁰	one googolplex [1]	one googolplexth [1]

Usage notes

Hundred, thousand, million, billion, etc, are usually preceded by "one". This is often hyphenated in the case of the corresponding ordinals. Replacing "one" with "a" would be less formal. Some follow the usage of omitting the "one" entirely.
Examples: one thousand, one-thousandth, a thousand, a thousandth, the thousand, the thousandth, a one-thousandth, the one thousand, the one-thousandth
The usage "thirty-one hundred" should be avoided in formal writing infavour of "three thousand one hundred".
When spoken or written in words, the years from 1000 to 1999 are reckoned in hundreds. The word hundred was formerly included; nowadays it is uncommon and tends to be limited to legal, ceremonial and poetic contexts.
Examples: ten sixty-six (1066); nineteen ninety-nine, nineteen-hundred ninety-nine or nineteen-hundred and ninety-nine (1999) (see note 3)
In British and Canadian English, the numbers from "one" to "ninety-nine"" are predeeded by the word "and" when compounded with a higher number. In numbers over 100,999, this rule applies to each block of three numbers separated by commas. (Contrarily, in the US, some grade-school teachers specifically teach that this is improper.)
Examples: one hundred and one (101); a thousand and ninety-nine (1099); two million, four hundred and twelve thousand, three hundred and eight (2,412,308)
In the US, the numbers billion, trillion, etc, refer to the ninth, twelfth, etc, powers of 10. In the UK they can refer to the twelfth, eighteenth, etc, powers, but the US system is now more common. The British and German system (powers 12, 18, etc) was once current in the US. Usage varies in other countries (see billion for more information). To avoid ambiguity numbers of such a size should be written with numerals.

Usage notes

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