Compare 21880 vs 21891
| Property | 21880 | 21891 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 5 | 2 |
| Prime factorization | 23 × 51 × 5471 | 31 × 72971 |
| Prime factorization | 2 × 2 × 2 × 5 × 547 | 3 × 7297 |
| Divisors count | 16 | 4 |
| Divisors | 1, 2, 4, 5, 8, 10, 20, 40, 547, 1094, 2188, 2735, 4376, 5470, 10940, 21880 | 1, 3, 7297, 21891 |
| Number of properties | 0 | 1 |
| Semiprimes | 5527th | |
| Roman numberals | ||
| Base 2 | 1010101011110002 | 1010101100000112 |
| Base 3 | 10100001013 | 10100002103 |
| Base 4 | 111113204 | 111120034 |
| Base 5 | 12000105 | 12000315 |
| Base 6 | 2451446 | 2452036 |
| Base 7 | 1205357 | 1205527 |
| Base 8 | 525708 | 526038 |
| Base 9 | 330119 | 330239 |
| Base 10 | 2188010 | 2189110 |
| Base 11 | 1549111 | 154a111 |
| Base 12 | 107b412 | 1080312 |
| Base 13 | 9c6113 | 9c6c13 |
| Base 14 | 7d8c14 | 7d9914 |
| Base 15 | 673a15 | 674615 |
| Base 16 | 557816 | 558316 |