Compare 1579 vs 1591
| Property | 1579 | 1591 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 15791 | 371 × 431 |
| Prime factorization | 1579 | 37 × 43 |
| Divisors count | 2 | 4 |
| Divisors | 1, 1579 | 1, 37, 43, 1591 |
| Number of properties | 6 | 1 |
| Cousin primes (1st member) | 56th | |
| Harmonic primes | 83rd | |
| Isolated primes | 150th | |
| Long primes | 97th | |
| Lucky primes | 60th | |
| Primes | 249th | |
| Semiprimes | 461st | |
| Roman numberals | MDLXXIX | MDXCI |
| Base 2 | 110001010112 | 110001101112 |
| Base 3 | 20111113 | 20112213 |
| Base 4 | 1202234 | 1203134 |
| Base 5 | 223045 | 223315 |
| Base 6 | 111516 | 112116 |
| Base 7 | 44147 | 44327 |
| Base 8 | 30538 | 30678 |
| Base 9 | 21449 | 21579 |
| Base 10 | 157910 | 159110 |
| Base 11 | 120611 | 121711 |
| Base 12 | ab712 | b0712 |
| Base 13 | 94613 | 95513 |
| Base 14 | 80b14 | 81914 |
| Base 15 | 70415 | 71115 |
| Base 16 | 62b16 | 63716 |