Compare 1564 vs 1565
| Property | 1564 | 1565 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 4 | 2 |
| Prime factorization | 22 × 171 × 231 | 51 × 3131 |
| Prime factorization | 2 × 2 × 17 × 23 | 5 × 313 |
| Divisors count | 12 | 4 |
| Divisors | 1, 2, 4, 17, 23, 34, 46, 68, 92, 391, 782, 1564 | 1, 5, 313, 1565 |
| Number of properties | 0 | 1 |
| Semiprimes | 455th | |
| Roman numberals | MDLXIV | MDLXV |
| Base 2 | 110000111002 | 110000111012 |
| Base 3 | 20102213 | 20102223 |
| Base 4 | 1201304 | 1201314 |
| Base 5 | 222245 | 222305 |
| Base 6 | 111246 | 111256 |
| Base 7 | 43637 | 43647 |
| Base 8 | 30348 | 30358 |
| Base 9 | 21279 | 21289 |
| Base 10 | 156410 | 156510 |
| Base 11 | 11a211 | 11a311 |
| Base 12 | aa412 | aa512 |
| Base 13 | 93413 | 93513 |
| Base 14 | 7da14 | 7db14 |
| Base 15 | 6e415 | 6e515 |
| Base 16 | 61c16 | 61d16 |