Cardinal Numbers in English

Cardinal numbers

0     zero, oh, nil	30                 thirty
1     one	40                 forty
2     two	50                 fifty
3     three	60                 sixty
4     four	70                 seventy
5     five	80                 eighty
6     six	90                 ninety
7     seven	100               one hundred
8     eight	101               one hundred and one
9     nine	500               five hundred
10   ten	1000             a/one thousand
11   eleven	1001             a/one thousand and one
12   twelve	1,500            a/one thousand five hundred
13   thirteen	100,000        a/one hundred thousand
14   fourteen	1,000,000     a/one million
15   fifteen
16   sixteen
17   seventeen
18   eighteen
19   nineteen
20   twenty
21   twenty-one
22   twenty-two
23   twenty-three

See also:

Numbers