21 (alƙalami)

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21
natural number, deficient number, triangular number, odd number, centered pentachoric number, octagonal number, highly touchable number, Fibonacci number, composite number
codeV20-V20-Z1, ௨௰௧, ௨௧, XXI Gyara
Unicode character Gyara
prime factorUku, Bakwai Gyara

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