Compare 2981 vs 2990
| Property | 2981 | 2990 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 4 |
| Total factors | 2 | 4 |
| Prime factorization | 111 × 2711 | 21 × 51 × 131 × 231 |
| Prime factorization | 11 × 271 | 2 × 5 × 13 × 23 |
| Divisors count | 4 | 16 |
| Divisors | 1, 11, 271, 2981 | 1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 598, 1495, 2990 |
| Number of properties | 1 | 0 |
| Semiprimes | 834th | |
| Roman numberals | MMCMLXXXI | MMCMXC |
| Base 2 | 1011101001012 | 1011101011102 |
| Base 3 | 110021023 | 110022023 |
| Base 4 | 2322114 | 2322324 |
| Base 5 | 434115 | 434305 |
| Base 6 | 214456 | 215026 |
| Base 7 | 114567 | 115017 |
| Base 8 | 56458 | 56568 |
| Base 9 | 40729 | 40829 |
| Base 10 | 298110 | 299010 |
| Base 11 | 227011 | 227911 |
| Base 12 | 188512 | 189212 |
| Base 13 | 148413 | 149013 |
| Base 14 | 112d14 | 113814 |
| Base 15 | d3b15 | d4515 |
| Base 16 | ba516 | bae16 |