Compare 1628 vs 1631
| Property | 1628 | 1631 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 4 | 2 |
| Prime factorization | 22 × 111 × 371 | 71 × 2331 |
| Prime factorization | 2 × 2 × 11 × 37 | 7 × 233 |
| Divisors count | 12 | 4 |
| Divisors | 1, 2, 4, 11, 22, 37, 44, 74, 148, 407, 814, 1628 | 1, 7, 233, 1631 |
| Number of properties | 0 | 1 |
| Semiprimes | 467th | |
| Roman numberals | MDCXXVIII | MDCXXXI |
| Base 2 | 110010111002 | 110010111112 |
| Base 3 | 20200223 | 20201023 |
| Base 4 | 1211304 | 1211334 |
| Base 5 | 230035 | 230115 |
| Base 6 | 113126 | 113156 |
| Base 7 | 45147 | 45207 |
| Base 8 | 31348 | 31378 |
| Base 9 | 22089 | 22129 |
| Base 10 | 162810 | 163110 |
| Base 11 | 125011 | 125311 |
| Base 12 | b3812 | b3b12 |
| Base 13 | 98313 | 98613 |
| Base 14 | 84414 | 84714 |
| Base 15 | 73815 | 73b15 |
| Base 16 | 65c16 | 65f16 |