Compare 21987 vs 21994
| Property | 21987 | 21994 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 3 | 3 |
| Total factors | 4 | 3 |
| Prime factorization | 32 × 71 × 3491 | 21 × 71 × 15711 |
| Prime factorization | 3 × 3 × 7 × 349 | 2 × 7 × 1571 |
| Divisors count | 12 | 8 |
| Divisors | 1, 3, 7, 9, 21, 63, 349, 1047, 2443, 3141, 7329, 21987 | 1, 2, 7, 14, 1571, 3142, 10997, 21994 |
| Number of properties | 0 | 0 |
| Roman numberals | ||
| Base 2 | 1010101111000112 | 1010101111010102 |
| Base 3 | 10100111003 | 10100111213 |
| Base 4 | 111132034 | 111132224 |
| Base 5 | 12004225 | 12004345 |
| Base 6 | 2454436 | 2454546 |
| Base 7 | 1210507 | 1210607 |
| Base 8 | 527438 | 527528 |
| Base 9 | 331409 | 331479 |
| Base 10 | 2198710 | 2199410 |
| Base 11 | 1557911 | 1558511 |
| Base 12 | 1088312 | 1088a12 |
| Base 13 | a01413 | a01b13 |
| Base 14 | 802714 | 803014 |
| Base 15 | 67ac15 | 67b415 |
| Base 16 | 55e316 | 55ea16 |