21 (alƙalami)

Daga Wikipedia, Insakulofidiya ta kyauta.
(an turo daga 21 (adadan))
← 20 21 22 →
Cardinal ashirin-ɗaya
Factorization (en) Fassara 3 × 7
Greek numeral ΚΑ´
Roman numeral XXI
Binary 101012
Ternary 2103
Octal (en) Fassara 258
Duodecimal system (en) Fassara 1912
Hexadecimal (en) Fassara 1516

21 (ashirin da ɗaya) alƙalami ne, tsakanin 20 da 22.