Compare 30980 vs 30991
| Property | 30980 | 30991 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 4 | 2 |
| Prime factorization | 22 × 51 × 15491 | 171 × 18231 |
| Prime factorization | 2 × 2 × 5 × 1549 | 17 × 1823 |
| Divisors count | 12 | 4 |
| Divisors | 1, 2, 4, 5, 10, 20, 1549, 3098, 6196, 7745, 15490, 30980 | 1, 17, 1823, 30991 |
| Number of properties | 0 | 1 |
| Semiprimes | 7701st | |
| Roman numberals | ||
| Base 2 | 1111001000001002 | 1111001000011112 |
| Base 3 | 11201111023 | 11201112113 |
| Base 4 | 132100104 | 132100334 |
| Base 5 | 14424105 | 14424315 |
| Base 6 | 3552326 | 3552516 |
| Base 7 | 1562157 | 1562327 |
| Base 8 | 744048 | 744178 |
| Base 9 | 464429 | 464549 |
| Base 10 | 3098010 | 3099110 |
| Base 11 | 2130411 | 2131411 |
| Base 12 | 15b1812 | 15b2712 |
| Base 13 | 1114113 | 1114c13 |
| Base 14 | b40c14 | b41914 |
| Base 15 | 92a515 | 92b115 |
| Base 16 | 790416 | 790f16 |