Compare 30978 vs 30986
| Property | 30978 | 30986 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 4 | 2 |
| Prime factorization | 21 × 32 × 17211 | 21 × 154931 |
| Prime factorization | 2 × 3 × 3 × 1721 | 2 × 15493 |
| Divisors count | 12 | 4 |
| Divisors | 1, 2, 3, 6, 9, 18, 1721, 3442, 5163, 10326, 15489, 30978 | 1, 2, 15493, 30986 |
| Number of properties | 0 | 1 |
| Semiprimes | 7700th | |
| Roman numberals | ||
| Base 2 | 1111001000000102 | 1111001000010102 |
| Base 3 | 11201111003 | 11201111223 |
| Base 4 | 132100024 | 132100224 |
| Base 5 | 14424035 | 14424215 |
| Base 6 | 3552306 | 3552426 |
| Base 7 | 1562137 | 1562247 |
| Base 8 | 744028 | 744128 |
| Base 9 | 464409 | 464489 |
| Base 10 | 3097810 | 3098610 |
| Base 11 | 2130211 | 2130a11 |
| Base 12 | 15b1612 | 15b2212 |
| Base 13 | 1113c13 | 1114713 |
| Base 14 | b40a14 | b41414 |
| Base 15 | 92a315 | 92ab15 |
| Base 16 | 790216 | 790a16 |