Compare 1668 vs 1672
| Property | 1668 | 1672 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 3 | 3 |
| Total factors | 4 | 5 |
| Prime factorization | 22 × 31 × 1391 | 23 × 111 × 191 |
| Prime factorization | 2 × 2 × 3 × 139 | 2 × 2 × 2 × 11 × 19 |
| Divisors count | 12 | 16 |
| Divisors | 1, 2, 3, 4, 6, 12, 139, 278, 417, 556, 834, 1668 | 1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 152, 209, 418, 836, 1672 |
| Number of properties | 0 | 0 |
| Roman numberals | MDCLXVIII | MDCLXXII |
| Base 2 | 110100001002 | 110100010002 |
| Base 3 | 20212103 | 20212213 |
| Base 4 | 1220104 | 1220204 |
| Base 5 | 231335 | 231425 |
| Base 6 | 114206 | 114246 |
| Base 7 | 46027 | 46067 |
| Base 8 | 32048 | 32108 |
| Base 9 | 22539 | 22579 |
| Base 10 | 166810 | 167210 |
| Base 11 | 128711 | 129011 |
| Base 12 | b7012 | b7412 |
| Base 13 | 9b413 | 9b813 |
| Base 14 | 87214 | 87614 |
| Base 15 | 76315 | 76715 |
| Base 16 | 68416 | 68816 |