Compare 1628 vs 1638
| Property | 1628 | 1638 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 3 | 4 |
| Total factors | 4 | 5 |
| Prime factorization | 22 × 111 × 371 | 21 × 32 × 71 × 131 |
| Prime factorization | 2 × 2 × 11 × 37 | 2 × 3 × 3 × 7 × 13 |
| Divisors count | 12 | 24 |
| Divisors | 1, 2, 4, 11, 22, 37, 44, 74, 148, 407, 814, 1628 | 1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 78, 91, 117, 126, 182, 234, 273, 546, 819, 1638 |
| Number of properties | 0 | 0 |
| Roman numberals | MDCXXVIII | MDCXXXVIII |
| Base 2 | 110010111002 | 110011001102 |
| Base 3 | 20200223 | 20202003 |
| Base 4 | 1211304 | 1212124 |
| Base 5 | 230035 | 230235 |
| Base 6 | 113126 | 113306 |
| Base 7 | 45147 | 45307 |
| Base 8 | 31348 | 31468 |
| Base 9 | 22089 | 22209 |
| Base 10 | 162810 | 163810 |
| Base 11 | 125011 | 125a11 |
| Base 12 | b3812 | b4612 |
| Base 13 | 98313 | 99013 |
| Base 14 | 84414 | 85014 |
| Base 15 | 73815 | 74315 |
| Base 16 | 65c16 | 66616 |