| ||||
|---|---|---|---|---|
| Cardinal | two hundred eighty-five | |||
| Ordinal | 285th (two hundred eighty-fifth) | |||
| Factorization | 3 × 5 × 19 | |||
| Divisors | 1, 3, 5, 15, 19, 57, 95, 285 | |||
| Greek numeral | ΣΠΕ´ | |||
| Roman numeral | CCLXXXV | |||
| Binary | 1000111012 | |||
| Ternary | 1011203 | |||
| Senary | 11536 | |||
| Octal | 4358 | |||
| Duodecimal | 1B912 | |||
| Hexadecimal | 11D16 | |||
285 is the natural number following 284 and preceding 286.