Compare 1668 vs 1678
| Property | 1668 | 1678 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 4 | 2 |
| Prime factorization | 22 × 31 × 1391 | 21 × 8391 |
| Prime factorization | 2 × 2 × 3 × 139 | 2 × 839 |
| Divisors count | 12 | 4 |
| Divisors | 1, 2, 3, 4, 6, 12, 139, 278, 417, 556, 834, 1668 | 1, 2, 839, 1678 |
| Number of properties | 0 | 1 |
| Semiprimes | 482nd | |
| Roman numberals | MDCLXVIII | MDCLXXVIII |
| Base 2 | 110100001002 | 110100011102 |
| Base 3 | 20212103 | 20220113 |
| Base 4 | 1220104 | 1220324 |
| Base 5 | 231335 | 232035 |
| Base 6 | 114206 | 114346 |
| Base 7 | 46027 | 46157 |
| Base 8 | 32048 | 32168 |
| Base 9 | 22539 | 22649 |
| Base 10 | 166810 | 167810 |
| Base 11 | 128711 | 129611 |
| Base 12 | b7012 | b7a12 |
| Base 13 | 9b413 | 9c113 |
| Base 14 | 87214 | 87c14 |
| Base 15 | 76315 | 76d15 |
| Base 16 | 68416 | 68e16 |