Back 15 (ахыԥхьаӡара) Abkhazian አሥራ አምስት Amharic 15 (عدد) Arabic 15 ARY Quince AST 15 (ədəd) Azerbaijani ۱۵ (سایی) AZB 15 (angka) BAN 15 (число) Bulgarian ༡༥ (གྲངས་ཀ།) Tibetan
15 (fifteen) is the natural number following 14 and preceding 16.
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|---|---|---|---|---|
| Cardinal | fifteen | |||
| Ordinal | 15th (fifteenth) | |||
| Numeral system | pentadecimal | |||
| Factorization | 3 × 5 | |||
| Divisors | 1, 3, 5, 15 | |||
| Greek numeral | ΙΕ´ | |||
| Roman numeral | XV | |||
| Binary | 11112 | |||
| Ternary | 1203 | |||
| Senary | 236 | |||
| Octal | 178 | |||
| Duodecimal | 1312 | |||
| Hexadecimal | F16 | |||
| Hebrew numeral | ט"ו / י"ה | |||
| Babylonian numeral | 𒌋𒐙 | |||