Compare 1597 vs 1599
| Property | 1597 | 1599 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 15971 | 31 × 131 × 411 |
| Prime factorization | 1597 | 3 × 13 × 41 |
| Divisors count | 2 | 8 |
| Divisors | 1, 1597 | 1, 3, 13, 39, 41, 123, 533, 1599 |
| Number of properties | 9 | 0 |
| Cousin primes (1st member) | 57th | |
| Emirps | 77th | |
| Fibonacci primes | 7th | |
| Good primes | 56th | |
| Isolated primes | 152nd | |
| Lucky primes | 61st | |
| Primes | 251st | |
| Pythagorean primes | 119th | |
| Super primes | 54th | |
| Roman numberals | MDXCVII | MDXCIX |
| Base 2 | 110001111012 | 110001111112 |
| Base 3 | 20120113 | 20120203 |
| Base 4 | 1203314 | 1203334 |
| Base 5 | 223425 | 223445 |
| Base 6 | 112216 | 112236 |
| Base 7 | 44417 | 44437 |
| Base 8 | 30758 | 30778 |
| Base 9 | 21649 | 21669 |
| Base 10 | 159710 | 159910 |
| Base 11 | 122211 | 122411 |
| Base 12 | b1112 | b1312 |
| Base 13 | 95b13 | 96013 |
| Base 14 | 82114 | 82314 |
| Base 15 | 71715 | 71915 |
| Base 16 | 63d16 | 63f16 |