| ||||
|---|---|---|---|---|
| Cardinal | two hundred seventeen | |||
| Ordinal | 217th (two hundred seventeenth) | |||
| Factorization | 7 × 31 | |||
| Greek numeral | ΣΙΖ´ | |||
| Roman numeral | CCXVII | |||
| Binary | 110110012 | |||
| Ternary | 220013 | |||
| Senary | 10016 | |||
| Octal | 3318 | |||
| Duodecimal | 16112 | |||
| Hexadecimal | D916 | |||
217 (two hundred [and] seventeen) is the natural number following 216 and preceding 218.