Compare 20644 vs 20645
| Property | 20644 | 20645 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 4 | 2 |
| Prime factorization | 22 × 131 × 3971 | 51 × 41291 |
| Prime factorization | 2 × 2 × 13 × 397 | 5 × 4129 |
| Divisors count | 12 | 4 |
| Divisors | 1, 2, 4, 13, 26, 52, 397, 794, 1588, 5161, 10322, 20644 | 1, 5, 4129, 20645 |
| Number of properties | 0 | 1 |
| Semiprimes | 5240th | |
| Roman numberals | ||
| Base 2 | 1010000101001002 | 1010000101001012 |
| Base 3 | 10010221213 | 10010221223 |
| Base 4 | 110022104 | 110022114 |
| Base 5 | 11300345 | 11300405 |
| Base 6 | 2353246 | 2353256 |
| Base 7 | 1141217 | 1141227 |
| Base 8 | 502448 | 502458 |
| Base 9 | 312779 | 312789 |
| Base 10 | 2064410 | 2064510 |
| Base 11 | 1456811 | 1456911 |
| Base 12 | bb4412 | bb4512 |
| Base 13 | 952013 | 952113 |
| Base 14 | 774814 | 774914 |
| Base 15 | 61b415 | 61b515 |
| Base 16 | 50a416 | 50a516 |