Compare 1597 vs 1913
| Property | 1597 | 1913 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 15971 | 19131 |
| Prime factorization | 1597 | 1913 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1597 | 1, 1913 |
| Number of properties | 9 | 9 |
| Chen primes | 181st | |
| Cousin primes (1st member) | 57th | |
| Emirps | 77th | 93rd |
| Fibonacci primes | 7th | |
| Good primes | 56th | |
| Isolated primes | 152nd | 178th |
| Long primes | 114th | |
| Lucky primes | 61st | |
| Primes | 251st | 293rd |
| Pythagorean primes | 119th | 142nd |
| Sexy primes (2nd member) | 125th | |
| Sexy prime triplets (3rd member) | 49th | |
| Super primes | 54th | 62nd |
| Roman numberals | MDXCVII | MCMXIII |
| Base 2 | 110001111012 | 111011110012 |
| Base 3 | 20120113 | 21212123 |
| Base 4 | 1203314 | 1313214 |
| Base 5 | 223425 | 301235 |
| Base 6 | 112216 | 125056 |
| Base 7 | 44417 | 54027 |
| Base 8 | 30758 | 35718 |
| Base 9 | 21649 | 25559 |
| Base 10 | 159710 | 191310 |
| Base 11 | 122211 | 148a11 |
| Base 12 | b1112 | 113512 |
| Base 13 | 95b13 | b4213 |
| Base 14 | 82114 | 9a914 |
| Base 15 | 71715 | 87815 |
| Base 16 | 63d16 | 77916 |