Compare 1628 vs 1640
| Property | 1628 | 1640 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 3 | 3 |
| Total factors | 4 | 5 |
| Prime factorization | 22 × 111 × 371 | 23 × 51 × 411 |
| Prime factorization | 2 × 2 × 11 × 37 | 2 × 2 × 2 × 5 × 41 |
| Divisors count | 12 | 16 |
| Divisors | 1, 2, 4, 11, 22, 37, 44, 74, 148, 407, 814, 1628 | 1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640 |
| Number of properties | 0 | 0 |
| Roman numberals | MDCXXVIII | MDCXL |
| Base 2 | 110010111002 | 110011010002 |
| Base 3 | 20200223 | 20202023 |
| Base 4 | 1211304 | 1212204 |
| Base 5 | 230035 | 230305 |
| Base 6 | 113126 | 113326 |
| Base 7 | 45147 | 45327 |
| Base 8 | 31348 | 31508 |
| Base 9 | 22089 | 22229 |
| Base 10 | 162810 | 164010 |
| Base 11 | 125011 | 126111 |
| Base 12 | b3812 | b4812 |
| Base 13 | 98313 | 99213 |
| Base 14 | 84414 | 85214 |
| Base 15 | 73815 | 74515 |
| Base 16 | 65c16 | 66816 |