Compare 21984 vs 21985
| Property | 21984 | 21985 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 7 | 2 |
| Prime factorization | 25 × 31 × 2291 | 51 × 43971 |
| Prime factorization | 2 × 2 × 2 × 2 × 2 × 3 × 229 | 5 × 4397 |
| Divisors count | 24 | 4 |
| Divisors | 1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 229, 458, 687, 916, 1374, 1832, 2748, 3664, 5496, 7328, 10992, 21984 | 1, 5, 4397, 21985 |
| Number of properties | 0 | 1 |
| Semiprimes | 5550th | |
| Roman numberals | ||
| Base 2 | 1010101111000002 | 1010101111000012 |
| Base 3 | 10100110203 | 10100110213 |
| Base 4 | 111132004 | 111132014 |
| Base 5 | 12004145 | 12004205 |
| Base 6 | 2454406 | 2454416 |
| Base 7 | 1210447 | 1210457 |
| Base 8 | 527408 | 527418 |
| Base 9 | 331369 | 331379 |
| Base 10 | 2198410 | 2198510 |
| Base 11 | 1557611 | 1557711 |
| Base 12 | 1088012 | 1088112 |
| Base 13 | a01113 | a01213 |
| Base 14 | 802414 | 802514 |
| Base 15 | 67a915 | 67aa15 |
| Base 16 | 55e016 | 55e116 |