Compare 1523 vs 1597
| Property | 1523 | 1597 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 15231 | 15971 |
| Prime factorization | 1523 | 1597 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1523 | 1, 1597 |
| Number of properties | 7 | 9 |
| Additive primes | 131st | |
| Cousin primes (1st member) | 57th | |
| Emirps | 74th | 77th |
| Fibonacci primes | 7th | |
| Good primes | 56th | |
| Isolated primes | 142nd | 152nd |
| Left-truncatable primes | 59th | |
| Lucky primes | 61st | |
| Primes | 241st | 251st |
| Pythagorean primes | 119th | |
| Safe primes | 34th | |
| Super primes | 53rd | 54th |
| Roman numberals | MDXXIII | MDXCVII |
| Base 2 | 101111100112 | 110001111012 |
| Base 3 | 20021023 | 20120113 |
| Base 4 | 1133034 | 1203314 |
| Base 5 | 220435 | 223425 |
| Base 6 | 110156 | 112216 |
| Base 7 | 43047 | 44417 |
| Base 8 | 27638 | 30758 |
| Base 9 | 20729 | 21649 |
| Base 10 | 152310 | 159710 |
| Base 11 | 116511 | 122211 |
| Base 12 | a6b12 | b1112 |
| Base 13 | 90213 | 95b13 |
| Base 14 | 7ab14 | 82114 |
| Base 15 | 6b815 | 71715 |
| Base 16 | 5f316 | 63d16 |