Compare 12981 vs 12990
| Property | 12981 | 12990 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 4 |
| Total factors | 2 | 4 |
| Prime factorization | 31 × 43271 | 21 × 31 × 51 × 4331 |
| Prime factorization | 3 × 4327 | 2 × 3 × 5 × 433 |
| Divisors count | 4 | 16 |
| Divisors | 1, 3, 4327, 12981 | 1, 2, 3, 5, 6, 10, 15, 30, 433, 866, 1299, 2165, 2598, 4330, 6495, 12990 |
| Number of properties | 1 | 0 |
| Semiprimes | 3366th | |
| Roman numberals | ||
| Base 2 | 110010101101012 | 110010101111102 |
| Base 3 | 1222102103 | 1222110103 |
| Base 4 | 30223114 | 30223324 |
| Base 5 | 4034115 | 4034305 |
| Base 6 | 1400336 | 1400506 |
| Base 7 | 525637 | 526057 |
| Base 8 | 312658 | 312768 |
| Base 9 | 187239 | 187339 |
| Base 10 | 1298110 | 1299010 |
| Base 11 | 983111 | 983a11 |
| Base 12 | 761912 | 762612 |
| Base 13 | 5ba713 | 5bb313 |
| Base 14 | 4a3314 | 4a3c14 |
| Base 15 | 3ca615 | 3cb015 |
| Base 16 | 32b516 | 32be16 |