Compare 455 vs 457
| Property | 455 | 457 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 51 × 71 × 131 | 4571 |
| Prime factorization | 5 × 7 × 13 | 457 |
| Divisors count | 8 | 2 |
| Divisors | 1, 5, 7, 13, 35, 65, 91, 455 | 1, 457 |
| Number of properties | 0 | 6 |
| Cousin primes (1st member) | 24th | |
| Isolated primes | 43rd | |
| Primes | 88th | |
| Prime triplets (1st member) | 21st | |
| Pythagorean primes | 43rd | |
| Sexy primes (1st member) | 45th | |
| Roman numberals | CDLV | CDLVII |
| Base 2 | 1110001112 | 1110010012 |
| Base 3 | 1212123 | 1212213 |
| Base 4 | 130134 | 130214 |
| Base 5 | 33105 | 33125 |
| Base 6 | 20356 | 20416 |
| Base 7 | 12207 | 12227 |
| Base 8 | 7078 | 7118 |
| Base 9 | 5559 | 5579 |
| Base 10 | 45510 | 45710 |
| Base 11 | 38411 | 38611 |
| Base 12 | 31b12 | 32112 |
| Base 13 | 29013 | 29213 |
| Base 14 | 24714 | 24914 |
| Base 15 | 20515 | 20715 |
| Base 16 | 1c716 | 1c916 |