Compare 1597 vs 1657
| Property | 1597 | 1657 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 15971 | 16571 |
| Prime factorization | 1597 | 1657 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1597 | 1, 1657 |
| Number of properties | 9 | 8 |
| Additive primes | 139th | |
| Cousin primes (1st member) | 57th | |
| Cuban primes 1 | 12th | |
| Emirps | 77th | 80th |
| Fibonacci primes | 7th | |
| Good primes | 56th | |
| Isolated primes | 152nd | 157th |
| Lucky primes | 61st | |
| Primes | 251st | 260th |
| Pythagorean primes | 119th | 125th |
| Sexy primes (1st member) | 112th | |
| Sexy prime triplets (1st member) | 43rd | |
| Super primes | 54th | |
| Roman numberals | MDXCVII | MDCLVII |
| Base 2 | 110001111012 | 110011110012 |
| Base 3 | 20120113 | 20211013 |
| Base 4 | 1203314 | 1213214 |
| Base 5 | 223425 | 231125 |
| Base 6 | 112216 | 114016 |
| Base 7 | 44417 | 45557 |
| Base 8 | 30758 | 31718 |
| Base 9 | 21649 | 22419 |
| Base 10 | 159710 | 165710 |
| Base 11 | 122211 | 127711 |
| Base 12 | b1112 | b6112 |
| Base 13 | 95b13 | 9a613 |
| Base 14 | 82114 | 86514 |
| Base 15 | 71715 | 75715 |
| Base 16 | 63d16 | 67916 |