Compare 21987 vs 21995
| Property | 21987 | 21995 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 3 | 3 |
| Total factors | 4 | 3 |
| Prime factorization | 32 × 71 × 3491 | 51 × 531 × 831 |
| Prime factorization | 3 × 3 × 7 × 349 | 5 × 53 × 83 |
| Divisors count | 12 | 8 |
| Divisors | 1, 3, 7, 9, 21, 63, 349, 1047, 2443, 3141, 7329, 21987 | 1, 5, 53, 83, 265, 415, 4399, 21995 |
| Number of properties | 0 | 0 |
| Roman numberals | ||
| Base 2 | 1010101111000112 | 1010101111010112 |
| Base 3 | 10100111003 | 10100111223 |
| Base 4 | 111132034 | 111132234 |
| Base 5 | 12004225 | 12004405 |
| Base 6 | 2454436 | 2454556 |
| Base 7 | 1210507 | 1210617 |
| Base 8 | 527438 | 527538 |
| Base 9 | 331409 | 331489 |
| Base 10 | 2198710 | 2199510 |
| Base 11 | 1557911 | 1558611 |
| Base 12 | 1088312 | 1088b12 |
| Base 13 | a01413 | a01c13 |
| Base 14 | 802714 | 803114 |
| Base 15 | 67ac15 | 67b515 |
| Base 16 | 55e316 | 55eb16 |