Ordinal Numbers

1st: the first

2nd: the second

3^rd: the third

4^th: the fourth

5^th: the fifth

6^th: the sixth

7^th: the seventh

8^th: the eighth

9^th: the ninth

10^th : the tenth

11^th: the eleventh

12^th: the twelfth

13^th: the thirteenth

14^th: the fourteenth

15^th: the fifteenth

16^th: the sixteenth

17^th: the seventeenth

18^th: the eighteenth

19^th: the nineteenth

20^th: the twentieth

21^st: the twenty-first

22^nd: the twenty-second

23^rd: the twenty-third

24^th: the twenty-fourth

25^th: the twenty-fifth

26^th: the twenty-sixth

27: the twenty-seventh

28^th: the twenty-eighth

29^th: the twenty-ninth

30^th: the thirtieth

31^st: the thirty-first

40^th: the fortieth

50^th: the fiftieth

60^th: the sixtieth

70^th: the seventieth

80^th: the eightieth

90^th: the ninetieth

100^th: one hundredth

1,000^th: one thousandth

1,000,000^th: one millionth