Compare 21985 vs 21995
| Property | 21985 | 21995 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 3 |
| Total factors | 2 | 3 |
| Prime factorization | 51 × 43971 | 51 × 531 × 831 |
| Prime factorization | 5 × 4397 | 5 × 53 × 83 |
| Divisors count | 4 | 8 |
| Divisors | 1, 5, 4397, 21985 | 1, 5, 53, 83, 265, 415, 4399, 21995 |
| Number of properties | 1 | 0 |
| Semiprimes | 5550th | |
| Roman numberals | ||
| Base 2 | 1010101111000012 | 1010101111010112 |
| Base 3 | 10100110213 | 10100111223 |
| Base 4 | 111132014 | 111132234 |
| Base 5 | 12004205 | 12004405 |
| Base 6 | 2454416 | 2454556 |
| Base 7 | 1210457 | 1210617 |
| Base 8 | 527418 | 527538 |
| Base 9 | 331379 | 331489 |
| Base 10 | 2198510 | 2199510 |
| Base 11 | 1557711 | 1558611 |
| Base 12 | 1088112 | 1088b12 |
| Base 13 | a01213 | a01c13 |
| Base 14 | 802514 | 803114 |
| Base 15 | 67aa15 | 67b515 |
| Base 16 | 55e116 | 55eb16 |