Compare 401 vs 557
| Property | 401 | 557 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 4011 | 5571 |
| Prime factorization | 401 | 557 |
| Divisors count | 2 | 2 |
| Divisors | 1, 401 | 1, 557 |
| Number of properties | 7 | 9 |
| Additive primes | 46th | 55th |
| Chen primes | 56th | 72nd |
| Cousin primes (2nd member) | 22nd | |
| Good primes | 29th | |
| Harmonic primes | 43rd | |
| Isolated primes | 38th | 53rd |
| Primes | 79th | 102nd |
| Pythagorean primes | 38th | 48th |
| Sexy primes (1st member) | 49th | |
| Sexy prime triplets (1st member) | 20th | |
| Super primes | 22nd | |
| Roman numberals | CDI | DLVII |
| Base 2 | 1100100012 | 10001011012 |
| Base 3 | 1122123 | 2021223 |
| Base 4 | 121014 | 202314 |
| Base 5 | 31015 | 42125 |
| Base 6 | 15056 | 23256 |
| Base 7 | 11127 | 14247 |
| Base 8 | 6218 | 10558 |
| Base 9 | 4859 | 6789 |
| Base 10 | 40110 | 55710 |
| Base 11 | 33511 | 46711 |
| Base 12 | 29512 | 3a512 |
| Base 13 | 24b13 | 33b13 |
| Base 14 | 20914 | 2bb14 |
| Base 15 | 1bb15 | 27215 |
| Base 16 | 19116 | 22d16 |