Compare 1660 vs 1672
| Property | 1660 | 1672 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 3 | 3 |
| Total factors | 4 | 5 |
| Prime factorization | 22 × 51 × 831 | 23 × 111 × 191 |
| Prime factorization | 2 × 2 × 5 × 83 | 2 × 2 × 2 × 11 × 19 |
| Divisors count | 12 | 16 |
| Divisors | 1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660 | 1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 152, 209, 418, 836, 1672 |
| Number of properties | 0 | 0 |
| Roman numberals | MDCLX | MDCLXXII |
| Base 2 | 110011111002 | 110100010002 |
| Base 3 | 20211113 | 20212213 |
| Base 4 | 1213304 | 1220204 |
| Base 5 | 231205 | 231425 |
| Base 6 | 114046 | 114246 |
| Base 7 | 45617 | 46067 |
| Base 8 | 31748 | 32108 |
| Base 9 | 22449 | 22579 |
| Base 10 | 166010 | 167210 |
| Base 11 | 127a11 | 129011 |
| Base 12 | b6412 | b7412 |
| Base 13 | 9a913 | 9b813 |
| Base 14 | 86814 | 87614 |
| Base 15 | 75a15 | 76715 |
| Base 16 | 67c16 | 68816 |