1 one

11 eleven

30 thirty

2 two

12 twelve

40 forty

3 three

13 thirteen

50 fifty

4 four

14 fourteen

60 sixty

5 five

15 fifteen

70 seventy

6 six

16 sixteen

80 eighty

7 seven

17 seventeen

90 ninety

8 eight

18 eighteen

100 one hundred

9 nine

19 nineteen

1000 one thousand

10 ten

20 twenty

1000 000 one million