Compare 21812 vs 21813
| Property | 21812 | 21813 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 4 | 3 |
| Total factors | 5 | 3 |
| Prime factorization | 22 × 71 × 191 × 411 | 31 × 111 × 6611 |
| Prime factorization | 2 × 2 × 7 × 19 × 41 | 3 × 11 × 661 |
| Divisors count | 24 | 8 |
| Divisors | 1, 2, 4, 7, 14, 19, 28, 38, 41, 76, 82, 133, 164, 266, 287, 532, 574, 779, 1148, 1558, 3116, 5453, 10906, 21812 | 1, 3, 11, 33, 661, 1983, 7271, 21813 |
| Number of properties | 0 | 0 |
| Roman numberals | ||
| Base 2 | 1010101001101002 | 1010101001101012 |
| Base 3 | 10022202123 | 10022202203 |
| Base 4 | 111103104 | 111103114 |
| Base 5 | 11442225 | 11442235 |
| Base 6 | 2445526 | 2445536 |
| Base 7 | 1204107 | 1204117 |
| Base 8 | 524648 | 524658 |
| Base 9 | 328259 | 328269 |
| Base 10 | 2181210 | 2181310 |
| Base 11 | 1542a11 | 1543011 |
| Base 12 | 1075812 | 1075912 |
| Base 13 | 9c0b13 | 9c0c13 |
| Base 14 | 7d4014 | 7d4114 |
| Base 15 | 66e215 | 66e315 |
| Base 16 | 553416 | 553516 |