Compare 1563 vs 1585
| Property | 1563 | 1585 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 31 × 5211 | 51 × 3171 |
| Prime factorization | 3 × 521 | 5 × 317 |
| Divisors count | 4 | 4 |
| Divisors | 1, 3, 521, 1563 | 1, 5, 317, 1585 |
| Number of properties | 1 | 1 |
| Semiprimes | 454th | 459th |
| Roman numberals | MDLXIII | MDLXXXV |
| Base 2 | 110000110112 | 110001100012 |
| Base 3 | 20102203 | 20112013 |
| Base 4 | 1201234 | 1203014 |
| Base 5 | 222235 | 223205 |
| Base 6 | 111236 | 112016 |
| Base 7 | 43627 | 44237 |
| Base 8 | 30338 | 30618 |
| Base 9 | 21269 | 21519 |
| Base 10 | 156310 | 158510 |
| Base 11 | 11a111 | 121111 |
| Base 12 | aa312 | b0112 |
| Base 13 | 93313 | 94c13 |
| Base 14 | 7d914 | 81314 |
| Base 15 | 6e315 | 70a15 |
| Base 16 | 61b16 | 63116 |