Compare 1597 vs 1811
| Property | 1597 | 1811 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 15971 | 18111 |
| Prime factorization | 1597 | 1811 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1597 | 1, 1811 |
| Number of properties | 9 | 8 |
| Additive primes | 149th | |
| Cousin primes (1st member) | 57th | |
| Dihedral primes | 7th | |
| Emirps | 77th | 87th |
| Fibonacci primes | 7th | |
| Good primes | 56th | |
| Harmonic primes | 100th | |
| Isolated primes | 152nd | 169th |
| Long primes | 109th | |
| Lucky primes | 61st | |
| Primes | 251st | 280th |
| Pythagorean primes | 119th | |
| Sophie germain primes | 56th | |
| Super primes | 54th | |
| Roman numberals | MDXCVII | MDCCCXI |
| Base 2 | 110001111012 | 111000100112 |
| Base 3 | 20120113 | 21110023 |
| Base 4 | 1203314 | 1301034 |
| Base 5 | 223425 | 242215 |
| Base 6 | 112216 | 122156 |
| Base 7 | 44417 | 51657 |
| Base 8 | 30758 | 34238 |
| Base 9 | 21649 | 24329 |
| Base 10 | 159710 | 181110 |
| Base 11 | 122211 | 13a711 |
| Base 12 | b1112 | 106b12 |
| Base 13 | 95b13 | a9413 |
| Base 14 | 82114 | 93514 |
| Base 15 | 71715 | 80b15 |
| Base 16 | 63d16 | 71316 |