Compare 21891 vs 21892
| Property | 21891 | 21892 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 3 |
| Total factors | 2 | 4 |
| Prime factorization | 31 × 72971 | 22 × 131 × 4211 |
| Prime factorization | 3 × 7297 | 2 × 2 × 13 × 421 |
| Divisors count | 4 | 12 |
| Divisors | 1, 3, 7297, 21891 | 1, 2, 4, 13, 26, 52, 421, 842, 1684, 5473, 10946, 21892 |
| Number of properties | 1 | 0 |
| Semiprimes | 5527th | |
| Roman numberals | ||
| Base 2 | 1010101100000112 | 1010101100001002 |
| Base 3 | 10100002103 | 10100002113 |
| Base 4 | 111120034 | 111120104 |
| Base 5 | 12000315 | 12000325 |
| Base 6 | 2452036 | 2452046 |
| Base 7 | 1205527 | 1205537 |
| Base 8 | 526038 | 526048 |
| Base 9 | 330239 | 330249 |
| Base 10 | 2189110 | 2189210 |
| Base 11 | 154a111 | 154a211 |
| Base 12 | 1080312 | 1080412 |
| Base 13 | 9c6c13 | 9c7013 |
| Base 14 | 7d9914 | 7d9a14 |
| Base 15 | 674615 | 674715 |
| Base 16 | 558316 | 558416 |