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Daga Wikipedia, Insakulofidiya ta kyauta.
← 20
21
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←
20
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22
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0
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90
→
Cardinal
ashirin-ɗaya
Factorization
(en)
3 × 7
Greek numeral
ΚΑ´
Roman numeral
XXI
Binary
10101
2
Ternary
210
3
Octal
(en)
25
8
Duodecimal
(en)
19
12
Hexadecimal
(en)
15
16
21
21
(
ashirin da ɗaya
) alƙalami ne, tsakanin
20
da
22
.
Rukuni
:
Alƙaluma