Compare 30978 vs 30985
| Property | 30978 | 30985 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 4 | 2 |
| Prime factorization | 21 × 32 × 17211 | 51 × 61971 |
| Prime factorization | 2 × 3 × 3 × 1721 | 5 × 6197 |
| Divisors count | 12 | 4 |
| Divisors | 1, 2, 3, 6, 9, 18, 1721, 3442, 5163, 10326, 15489, 30978 | 1, 5, 6197, 30985 |
| Number of properties | 0 | 1 |
| Semiprimes | 7699th | |
| Roman numberals | ||
| Base 2 | 1111001000000102 | 1111001000010012 |
| Base 3 | 11201111003 | 11201111213 |
| Base 4 | 132100024 | 132100214 |
| Base 5 | 14424035 | 14424205 |
| Base 6 | 3552306 | 3552416 |
| Base 7 | 1562137 | 1562237 |
| Base 8 | 744028 | 744118 |
| Base 9 | 464409 | 464479 |
| Base 10 | 3097810 | 3098510 |
| Base 11 | 2130211 | 2130911 |
| Base 12 | 15b1612 | 15b2112 |
| Base 13 | 1113c13 | 1114613 |
| Base 14 | b40a14 | b41314 |
| Base 15 | 92a315 | 92aa15 |
| Base 16 | 790216 | 790916 |