Compare 21989 vs 21994
| Property | 21989 | 21994 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 3 |
| Total factors | 2 | 3 |
| Prime factorization | 111 × 19991 | 21 × 71 × 15711 |
| Prime factorization | 11 × 1999 | 2 × 7 × 1571 |
| Divisors count | 4 | 8 |
| Divisors | 1, 11, 1999, 21989 | 1, 2, 7, 14, 1571, 3142, 10997, 21994 |
| Number of properties | 1 | 0 |
| Semiprimes | 5552nd | |
| Roman numberals | ||
| Base 2 | 1010101111001012 | 1010101111010102 |
| Base 3 | 10100111023 | 10100111213 |
| Base 4 | 111132114 | 111132224 |
| Base 5 | 12004245 | 12004345 |
| Base 6 | 2454456 | 2454546 |
| Base 7 | 1210527 | 1210607 |
| Base 8 | 527458 | 527528 |
| Base 9 | 331429 | 331479 |
| Base 10 | 2198910 | 2199410 |
| Base 11 | 1558011 | 1558511 |
| Base 12 | 1088512 | 1088a12 |
| Base 13 | a01613 | a01b13 |
| Base 14 | 802914 | 803014 |
| Base 15 | 67ae15 | 67b415 |
| Base 16 | 55e516 | 55ea16 |