Compare 21989 vs 21995
| Property | 21989 | 21995 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 3 |
| Total factors | 2 | 3 |
| Prime factorization | 111 × 19991 | 51 × 531 × 831 |
| Prime factorization | 11 × 1999 | 5 × 53 × 83 |
| Divisors count | 4 | 8 |
| Divisors | 1, 11, 1999, 21989 | 1, 5, 53, 83, 265, 415, 4399, 21995 |
| Number of properties | 1 | 0 |
| Semiprimes | 5552nd | |
| Roman numberals | ||
| Base 2 | 1010101111001012 | 1010101111010112 |
| Base 3 | 10100111023 | 10100111223 |
| Base 4 | 111132114 | 111132234 |
| Base 5 | 12004245 | 12004405 |
| Base 6 | 2454456 | 2454556 |
| Base 7 | 1210527 | 1210617 |
| Base 8 | 527458 | 527538 |
| Base 9 | 331429 | 331489 |
| Base 10 | 2198910 | 2199510 |
| Base 11 | 1558011 | 1558611 |
| Base 12 | 1088512 | 1088b12 |
| Base 13 | a01613 | a01c13 |
| Base 14 | 802914 | 803114 |
| Base 15 | 67ae15 | 67b515 |
| Base 16 | 55e516 | 55eb16 |