Compare 487 vs 557
| Property | 487 | 557 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 4871 | 5571 |
| Prime factorization | 487 | 557 |
| Divisors count | 2 | 2 |
| Divisors | 1, 487 | 1, 557 |
| Number of properties | 10 | 9 |
| Additive primes | 54th | 55th |
| Chen primes | 65th | 72nd |
| Cousin primes (1st member) | 26th | |
| Good primes | 29th | |
| Happy primes | 23rd | |
| Harmonic primes | 37th | 43rd |
| Isolated primes | 46th | 53rd |
| Long primes | 33rd | |
| Lucky primes | 26th | |
| Pierpont primes | 16th | |
| Primes | 93rd | 102nd |
| Pythagorean primes | 48th | |
| Sexy primes (1st member) | 49th | |
| Sexy prime triplets (1st member) | 20th | |
| Roman numberals | CDLXXXVII | DLVII |
| Base 2 | 1111001112 | 10001011012 |
| Base 3 | 2000013 | 2021223 |
| Base 4 | 132134 | 202314 |
| Base 5 | 34225 | 42125 |
| Base 6 | 21316 | 23256 |
| Base 7 | 12647 | 14247 |
| Base 8 | 7478 | 10558 |
| Base 9 | 6019 | 6789 |
| Base 10 | 48710 | 55710 |
| Base 11 | 40311 | 46711 |
| Base 12 | 34712 | 3a512 |
| Base 13 | 2b613 | 33b13 |
| Base 14 | 26b14 | 2bb14 |
| Base 15 | 22715 | 27215 |
| Base 16 | 1e716 | 22d16 |