Compare 457 vs 557
| Property | 457 | 557 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 4571 | 5571 |
| Prime factorization | 457 | 557 |
| Divisors count | 2 | 2 |
| Divisors | 1, 457 | 1, 557 |
| Number of properties | 6 | 9 |
| Additive primes | 55th | |
| Chen primes | 72nd | |
| Cousin primes (1st member) | 24th | |
| Good primes | 29th | |
| Harmonic primes | 43rd | |
| Isolated primes | 43rd | 53rd |
| Primes | 88th | 102nd |
| Prime triplets (1st member) | 21st | |
| Pythagorean primes | 43rd | 48th |
| Sexy primes (1st member) | 45th | 49th |
| Sexy prime triplets (1st member) | 20th | |
| Roman numberals | CDLVII | DLVII |
| Base 2 | 1110010012 | 10001011012 |
| Base 3 | 1212213 | 2021223 |
| Base 4 | 130214 | 202314 |
| Base 5 | 33125 | 42125 |
| Base 6 | 20416 | 23256 |
| Base 7 | 12227 | 14247 |
| Base 8 | 7118 | 10558 |
| Base 9 | 5579 | 6789 |
| Base 10 | 45710 | 55710 |
| Base 11 | 38611 | 46711 |
| Base 12 | 32112 | 3a512 |
| Base 13 | 29213 | 33b13 |
| Base 14 | 24914 | 2bb14 |
| Base 15 | 20715 | 27215 |
| Base 16 | 1c916 | 22d16 |