15 (alƙalami)

15
positive integer (en) , triangular number (en) , composite number (en) , odd number (en) , centered tetrahedral number (en) , hexagonal number (en) , pentatope number (en) , Mersenne number (en) , cake number (en) da Bell number (en)
Bayanai
Mabiyi	1
Ta biyo baya	16
Prime factor (en)	uku da biyar
Mathematical inverse (en)	−15 (mul)

15 (goma sha biyar ko sha biyar) alƙalami ne, tsakanin 14 da 16.