Compare 1565 vs 1566
| Property | 1565 | 1566 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 3 |
| Total factors | 2 | 5 |
| Prime factorization | 51 × 3131 | 21 × 33 × 291 |
| Prime factorization | 5 × 313 | 2 × 3 × 3 × 3 × 29 |
| Divisors count | 4 | 16 |
| Divisors | 1, 5, 313, 1565 | 1, 2, 3, 6, 9, 18, 27, 29, 54, 58, 87, 174, 261, 522, 783, 1566 |
| Number of properties | 1 | 0 |
| Semiprimes | 455th | |
| Roman numberals | MDLXV | MDLXVI |
| Base 2 | 110000111012 | 110000111102 |
| Base 3 | 20102223 | 20110003 |
| Base 4 | 1201314 | 1201324 |
| Base 5 | 222305 | 222315 |
| Base 6 | 111256 | 111306 |
| Base 7 | 43647 | 43657 |
| Base 8 | 30358 | 30368 |
| Base 9 | 21289 | 21309 |
| Base 10 | 156510 | 156610 |
| Base 11 | 11a311 | 11a411 |
| Base 12 | aa512 | aa612 |
| Base 13 | 93513 | 93613 |
| Base 14 | 7db14 | 7dc14 |
| Base 15 | 6e515 | 6e615 |
| Base 16 | 61d16 | 61e16 |