Compare 1664 vs 1672
| Property | 1664 | 1672 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 2 | 3 |
| Total factors | 8 | 5 |
| Prime factorization | 27 × 131 | 23 × 111 × 191 |
| Prime factorization | 2 × 2 × 2 × 2 × 2 × 2 × 2 × 13 | 2 × 2 × 2 × 11 × 19 |
| Divisors count | 16 | 16 |
| Divisors | 1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664 | 1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 152, 209, 418, 836, 1672 |
| Number of properties | 0 | 0 |
| Roman numberals | MDCLXIV | MDCLXXII |
| Base 2 | 110100000002 | 110100010002 |
| Base 3 | 20211223 | 20212213 |
| Base 4 | 1220004 | 1220204 |
| Base 5 | 231245 | 231425 |
| Base 6 | 114126 | 114246 |
| Base 7 | 45657 | 46067 |
| Base 8 | 32008 | 32108 |
| Base 9 | 22489 | 22579 |
| Base 10 | 166410 | 167210 |
| Base 11 | 128311 | 129011 |
| Base 12 | b6812 | b7412 |
| Base 13 | 9b013 | 9b813 |
| Base 14 | 86c14 | 87614 |
| Base 15 | 75e15 | 76715 |
| Base 16 | 68016 | 68816 |