Compare 1585 vs 1642
| Property | 1585 | 1642 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 51 × 3171 | 21 × 8211 |
| Prime factorization | 5 × 317 | 2 × 821 |
| Divisors count | 4 | 4 |
| Divisors | 1, 5, 317, 1585 | 1, 2, 821, 1642 |
| Number of properties | 1 | 1 |
| Semiprimes | 459th | 471st |
| Roman numberals | MDLXXXV | MDCXLII |
| Base 2 | 110001100012 | 110011010102 |
| Base 3 | 20112013 | 20202113 |
| Base 4 | 1203014 | 1212224 |
| Base 5 | 223205 | 230325 |
| Base 6 | 112016 | 113346 |
| Base 7 | 44237 | 45347 |
| Base 8 | 30618 | 31528 |
| Base 9 | 21519 | 22249 |
| Base 10 | 158510 | 164210 |
| Base 11 | 121111 | 126311 |
| Base 12 | b0112 | b4a12 |
| Base 13 | 94c13 | 99413 |
| Base 14 | 81314 | 85414 |
| Base 15 | 70a15 | 74715 |
| Base 16 | 63116 | 66a16 |