Compare 523 vs 557
| Property | 523 | 557 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 5231 | 5571 |
| Prime factorization | 523 | 557 |
| Divisors count | 2 | 2 |
| Divisors | 1, 523 | 1, 557 |
| Number of properties | 3 | 9 |
| Additive primes | 55th | |
| Chen primes | 72nd | |
| Good primes | 29th | |
| Harmonic primes | 43rd | |
| Isolated primes | 53rd | |
| Left-truncatable primes | 34th | |
| Primes | 99th | 102nd |
| Pythagorean primes | 48th | |
| Sexy primes (1st member) | 49th | |
| Sexy prime triplets (1st member) | 20th | |
| Twin primes (2nd member) | 25th | |
| Roman numberals | DXXIII | DLVII |
| Base 2 | 10000010112 | 10001011012 |
| Base 3 | 2011013 | 2021223 |
| Base 4 | 200234 | 202314 |
| Base 5 | 40435 | 42125 |
| Base 6 | 22316 | 23256 |
| Base 7 | 13457 | 14247 |
| Base 8 | 10138 | 10558 |
| Base 9 | 6419 | 6789 |
| Base 10 | 52310 | 55710 |
| Base 11 | 43611 | 46711 |
| Base 12 | 37712 | 3a512 |
| Base 13 | 31313 | 33b13 |
| Base 14 | 29514 | 2bb14 |
| Base 15 | 24d15 | 27215 |
| Base 16 | 20b16 | 22d16 |