Compare 1597 vs 1609
| Property | 1597 | 1609 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 15971 | 16091 |
| Prime factorization | 1597 | 1609 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1597 | 1, 1609 |
| Number of properties | 9 | 6 |
| Cousin primes (1st member) | 57th | 58th |
| Emirps | 77th | |
| Fibonacci primes | 7th | |
| Good primes | 56th | |
| Harmonic primes | 87th | |
| Isolated primes | 152nd | |
| Lucky primes | 61st | |
| Primes | 251st | 254th |
| Prime triplets (2nd member) | 42nd | |
| Pythagorean primes | 119th | 121st |
| Super primes | 54th | |
| Twin primes (2nd member) | 51st | |
| Roman numberals | MDXCVII | MDCIX |
| Base 2 | 110001111012 | 110010010012 |
| Base 3 | 20120113 | 20121213 |
| Base 4 | 1203314 | 1210214 |
| Base 5 | 223425 | 224145 |
| Base 6 | 112216 | 112416 |
| Base 7 | 44417 | 44567 |
| Base 8 | 30758 | 31118 |
| Base 9 | 21649 | 21779 |
| Base 10 | 159710 | 160910 |
| Base 11 | 122211 | 123311 |
| Base 12 | b1112 | b2112 |
| Base 13 | 95b13 | 96a13 |
| Base 14 | 82114 | 82d14 |
| Base 15 | 71715 | 72415 |
| Base 16 | 63d16 | 64916 |