15

15

positive integer, triangular number, composite number, odd number, centered tetrahedral number, hexagonal number, pentatope number, Mersenne number, cake number, Bell number

Follows	14
Followed by	16
Prime factor	3, 5
Mathematical inverse	−15
Unicode character	⒂, ⓯, ⑮, ⒖, 𝋯

15 (dir-badi) nbosini dalbo dir- badiDede dir-baccimodi.