Compare 1579 vs 1580
| Property | 1579 | 1580 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 4 |
| Prime factorization | 15791 | 22 × 51 × 791 |
| Prime factorization | 1579 | 2 × 2 × 5 × 79 |
| Divisors count | 2 | 12 |
| Divisors | 1, 1579 | 1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580 |
| Number of properties | 6 | 0 |
| Cousin primes (1st member) | 56th | |
| Harmonic primes | 83rd | |
| Isolated primes | 150th | |
| Long primes | 97th | |
| Lucky primes | 60th | |
| Primes | 249th | |
| Roman numberals | MDLXXIX | MDLXXX |
| Base 2 | 110001010112 | 110001011002 |
| Base 3 | 20111113 | 20111123 |
| Base 4 | 1202234 | 1202304 |
| Base 5 | 223045 | 223105 |
| Base 6 | 111516 | 111526 |
| Base 7 | 44147 | 44157 |
| Base 8 | 30538 | 30548 |
| Base 9 | 21449 | 21459 |
| Base 10 | 157910 | 158010 |
| Base 11 | 120611 | 120711 |
| Base 12 | ab712 | ab812 |
| Base 13 | 94613 | 94713 |
| Base 14 | 80b14 | 80c14 |
| Base 15 | 70415 | 70515 |
| Base 16 | 62b16 | 62c16 |