Compare 557 vs 809
| Property | 557 | 809 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 5571 | 8091 |
| Prime factorization | 557 | 809 |
| Divisors count | 2 | 2 |
| Divisors | 1, 557 | 1, 809 |
| Number of properties | 9 | 7 |
| Additive primes | 55th | 74th |
| Chen primes | 72nd | 95th |
| Good primes | 29th | 39th |
| Harmonic primes | 43rd | |
| Isolated primes | 53rd | |
| Primes | 102nd | 140th |
| Pythagorean primes | 48th | 68th |
| Sexy primes (1st member) | 49th | |
| Sexy prime triplets (1st member) | 20th | |
| Sophie germain primes | 35th | |
| Twin primes (1st member) | 31st | |
| Roman numberals | DLVII | DCCCIX |
| Base 2 | 10001011012 | 11001010012 |
| Base 3 | 2021223 | 10022223 |
| Base 4 | 202314 | 302214 |
| Base 5 | 42125 | 112145 |
| Base 6 | 23256 | 34256 |
| Base 7 | 14247 | 22347 |
| Base 8 | 10558 | 14518 |
| Base 9 | 6789 | 10889 |
| Base 10 | 55710 | 80910 |
| Base 11 | 46711 | 67611 |
| Base 12 | 3a512 | 57512 |
| Base 13 | 33b13 | 4a313 |
| Base 14 | 2bb14 | 41b14 |
| Base 15 | 27215 | 38e15 |
| Base 16 | 22d16 | 32916 |