Compare 21806 vs 21812
| Property | 21806 | 21812 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 4 |
| Total factors | 2 | 5 |
| Prime factorization | 21 × 109031 | 22 × 71 × 191 × 411 |
| Prime factorization | 2 × 10903 | 2 × 2 × 7 × 19 × 41 |
| Divisors count | 4 | 24 |
| Divisors | 1, 2, 10903, 21806 | 1, 2, 4, 7, 14, 19, 28, 38, 41, 76, 82, 133, 164, 266, 287, 532, 574, 779, 1148, 1558, 3116, 5453, 10906, 21812 |
| Number of properties | 1 | 0 |
| Semiprimes | 5509th | |
| Roman numberals | ||
| Base 2 | 1010101001011102 | 1010101001101002 |
| Base 3 | 10022201223 | 10022202123 |
| Base 4 | 111102324 | 111103104 |
| Base 5 | 11442115 | 11442225 |
| Base 6 | 2445426 | 2445526 |
| Base 7 | 1204017 | 1204107 |
| Base 8 | 524568 | 524648 |
| Base 9 | 328189 | 328259 |
| Base 10 | 2180610 | 2181210 |
| Base 11 | 1542411 | 1542a11 |
| Base 12 | 1075212 | 1075812 |
| Base 13 | 9c0513 | 9c0b13 |
| Base 14 | 7d3814 | 7d4014 |
| Base 15 | 66db15 | 66e215 |
| Base 16 | 552e16 | 553416 |