Compare 277 vs 285
| Property | 277 | 285 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 2771 | 31 × 51 × 191 |
| Prime factorization | 277 | 3 × 5 × 19 |
| Divisors count | 2 | 8 |
| Divisors | 1, 277 | 1, 3, 5, 15, 19, 57, 95, 285 |
| Number of properties | 10 | 0 |
| Cousin primes (1st member) | 17th | |
| Harmonic primes | 22nd | |
| Isolated primes | 24th | |
| Primes | 59th | |
| Prime triplets (1st member) | 17th | |
| Pythagorean primes | 27th | |
| Sexy primes (1st member) | 34th | |
| Sexy primes (2nd member) | 33rd | |
| Sexy prime triplets (2nd member) | 17th | |
| Super primes | 17th | |
| Roman numberals | CCLXXVII | CCLXXXV |
| Base 2 | 1000101012 | 1000111012 |
| Base 3 | 1010213 | 1011203 |
| Base 4 | 101114 | 101314 |
| Base 5 | 21025 | 21205 |
| Base 6 | 11416 | 11536 |
| Base 7 | 5447 | 5557 |
| Base 8 | 4258 | 4358 |
| Base 9 | 3379 | 3469 |
| Base 10 | 27710 | 28510 |
| Base 11 | 23211 | 23a11 |
| Base 12 | 1b112 | 1b912 |
| Base 13 | 18413 | 18c13 |
| Base 14 | 15b14 | 16514 |
| Base 15 | 13715 | 14015 |
| Base 16 | 11516 | 11d16 |