번호Most languages have number systems, and these can vary quite a bit. Scroll down to discover and learn interesting number systems from all around the world.

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21
[yirmi bir]

[스물하나]

22
[yirmi iki]

[스물둘]

23
[yirmi üç]

[스물셋]

24
[yirmi dört]

[스물넷]

25
[yirmi beş]

[스물 다섯]

26
[yirmi altı]

[스물 여섯]

27
[yirmi yedi]

[스물 일곱]

28
[yirmi sekiz]

[스물여덟]

29
[yirmi dokuz]

[스물아홉]

30
[otuz]

[서른]