21 (ennamba)

Abiri mu emu

positive integer, deficient number, triangular number, odd number, centered pentachoric number, octagonal number, highly touchable number, Fibonacci number, composite number, harshad number

Name in hiero markup	V20-V20-Z1
Follows	Amakumi abiri
Followed by	Abiri mu bbiri
Prime factor	ssatu, Musanvu
Unicode character	㉑

 

 From Wikidata

21 (abiri mu emu) namba, wakati wa 20 ne 22.