Compare 1558 vs 1565
| Property | 1558 | 1565 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 3 | 2 |
| Prime factorization | 21 × 191 × 411 | 51 × 3131 |
| Prime factorization | 2 × 19 × 41 | 5 × 313 |
| Divisors count | 8 | 4 |
| Divisors | 1, 2, 19, 38, 41, 82, 779, 1558 | 1, 5, 313, 1565 |
| Number of properties | 0 | 1 |
| Semiprimes | 455th | |
| Roman numberals | MDLVIII | MDLXV |
| Base 2 | 110000101102 | 110000111012 |
| Base 3 | 20102013 | 20102223 |
| Base 4 | 1201124 | 1201314 |
| Base 5 | 222135 | 222305 |
| Base 6 | 111146 | 111256 |
| Base 7 | 43547 | 43647 |
| Base 8 | 30268 | 30358 |
| Base 9 | 21219 | 21289 |
| Base 10 | 155810 | 156510 |
| Base 11 | 119711 | 11a311 |
| Base 12 | a9a12 | aa512 |
| Base 13 | 92b13 | 93513 |
| Base 14 | 7d414 | 7db14 |
| Base 15 | 6dd15 | 6e515 |
| Base 16 | 61616 | 61d16 |