Compare 1579 vs 1987
| Property | 1579 | 1987 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 15791 | 19871 |
| Prime factorization | 1579 | 1987 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1579 | 1, 1987 |
| Number of properties | 6 | 6 |
| Cousin primes (1st member) | 56th | |
| Good primes | 62nd | |
| Harmonic primes | 83rd | |
| Isolated primes | 150th | 181st |
| Long primes | 97th | |
| Lucky primes | 60th | 70th |
| Primes | 249th | 300th |
| Sexy primes (1st member) | 127th | |
| Sexy prime triplets (1st member) | 50th | |
| Roman numberals | MDLXXIX | MCMLXXXVII |
| Base 2 | 110001010112 | 111110000112 |
| Base 3 | 20111113 | 22011213 |
| Base 4 | 1202234 | 1330034 |
| Base 5 | 223045 | 304225 |
| Base 6 | 111516 | 131116 |
| Base 7 | 44147 | 55367 |
| Base 8 | 30538 | 37038 |
| Base 9 | 21449 | 26479 |
| Base 10 | 157910 | 198710 |
| Base 11 | 120611 | 154711 |
| Base 12 | ab712 | 119712 |
| Base 13 | 94613 | b9b13 |
| Base 14 | 80b14 | a1d14 |
| Base 15 | 70415 | 8c715 |
| Base 16 | 62b16 | 7c316 |