Compare 20642 vs 20645
| Property | 20642 | 20645 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 21 × 103211 | 51 × 41291 |
| Prime factorization | 2 × 10321 | 5 × 4129 |
| Divisors count | 4 | 4 |
| Divisors | 1, 2, 10321, 20642 | 1, 5, 4129, 20645 |
| Number of properties | 1 | 1 |
| Semiprimes | 5239th | 5240th |
| Roman numberals | ||
| Base 2 | 1010000101000102 | 1010000101001012 |
| Base 3 | 10010221123 | 10010221223 |
| Base 4 | 110022024 | 110022114 |
| Base 5 | 11300325 | 11300405 |
| Base 6 | 2353226 | 2353256 |
| Base 7 | 1141167 | 1141227 |
| Base 8 | 502428 | 502458 |
| Base 9 | 312759 | 312789 |
| Base 10 | 2064210 | 2064510 |
| Base 11 | 1456611 | 1456911 |
| Base 12 | bb4212 | bb4512 |
| Base 13 | 951b13 | 952113 |
| Base 14 | 774614 | 774914 |
| Base 15 | 61b215 | 61b515 |
| Base 16 | 50a216 | 50a516 |