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| Cardinal | two hundred fifteen | |||
| Ordinal | 215th (two hundred fifteenth) | |||
| Factorization | 5 × 43 | |||
| Divisors | 5, 43 | |||
| Greek numeral | ΣΙΕ´ | |||
| Roman numeral | CCXV | |||
| Binary | 110101112 | |||
| Ternary | 212223 | |||
| Senary | 5556 | |||
| Octal | 3278 | |||
| Duodecimal | 15B12 | |||
| Hexadecimal | D716 | |||
215 (two hundred [and] fifteen) is the natural number following 214 and preceding 216.