Compare 21285 vs 21288
| Property | 21285 | 21288 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 4 | 3 |
| Total factors | 5 | 5 |
| Prime factorization | 32 × 51 × 111 × 431 | 23 × 31 × 8871 |
| Prime factorization | 3 × 3 × 5 × 11 × 43 | 2 × 2 × 2 × 3 × 887 |
| Divisors count | 24 | 16 |
| Divisors | 1, 3, 5, 9, 11, 15, 33, 43, 45, 55, 99, 129, 165, 215, 387, 473, 495, 645, 1419, 1935, 2365, 4257, 7095, 21285 | 1, 2, 3, 4, 6, 8, 12, 24, 887, 1774, 2661, 3548, 5322, 7096, 10644, 21288 |
| Number of properties | 0 | 0 |
| Roman numberals | ||
| Base 2 | 1010011001001012 | 1010011001010002 |
| Base 3 | 10020121003 | 10020121103 |
| Base 4 | 110302114 | 110302204 |
| Base 5 | 11401205 | 11401235 |
| Base 6 | 2423136 | 2423206 |
| Base 7 | 1160257 | 1160317 |
| Base 8 | 514458 | 514508 |
| Base 9 | 321709 | 321739 |
| Base 10 | 2128510 | 2128810 |
| Base 11 | 14aa011 | 14aa311 |
| Base 12 | 1039912 | 103a012 |
| Base 13 | 98c413 | 98c713 |
| Base 14 | 7a8514 | 7a8814 |
| Base 15 | 649015 | 649315 |
| Base 16 | 532516 | 532816 |