Compare 1597 vs 1603
| Property | 1597 | 1603 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 15971 | 71 × 2291 |
| Prime factorization | 1597 | 7 × 229 |
| Divisors count | 2 | 4 |
| Divisors | 1, 1597 | 1, 7, 229, 1603 |
| Number of properties | 9 | 1 |
| Cousin primes (1st member) | 57th | |
| Emirps | 77th | |
| Fibonacci primes | 7th | |
| Good primes | 56th | |
| Isolated primes | 152nd | |
| Lucky primes | 61st | |
| Primes | 251st | |
| Pythagorean primes | 119th | |
| Semiprimes | 463rd | |
| Super primes | 54th | |
| Roman numberals | MDXCVII | MDCIII |
| Base 2 | 110001111012 | 110010000112 |
| Base 3 | 20120113 | 20121013 |
| Base 4 | 1203314 | 1210034 |
| Base 5 | 223425 | 224035 |
| Base 6 | 112216 | 112316 |
| Base 7 | 44417 | 44507 |
| Base 8 | 30758 | 31038 |
| Base 9 | 21649 | 21719 |
| Base 10 | 159710 | 160310 |
| Base 11 | 122211 | 122811 |
| Base 12 | b1112 | b1712 |
| Base 13 | 95b13 | 96413 |
| Base 14 | 82114 | 82714 |
| Base 15 | 71715 | 71d15 |
| Base 16 | 63d16 | 64316 |