Compare 1630 vs 1642
| Property | 1630 | 1642 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 3 | 2 |
| Prime factorization | 21 × 51 × 1631 | 21 × 8211 |
| Prime factorization | 2 × 5 × 163 | 2 × 821 |
| Divisors count | 8 | 4 |
| Divisors | 1, 2, 5, 10, 163, 326, 815, 1630 | 1, 2, 821, 1642 |
| Number of properties | 0 | 1 |
| Semiprimes | 471st | |
| Roman numberals | MDCXXX | MDCXLII |
| Base 2 | 110010111102 | 110011010102 |
| Base 3 | 20201013 | 20202113 |
| Base 4 | 1211324 | 1212224 |
| Base 5 | 230105 | 230325 |
| Base 6 | 113146 | 113346 |
| Base 7 | 45167 | 45347 |
| Base 8 | 31368 | 31528 |
| Base 9 | 22119 | 22249 |
| Base 10 | 163010 | 164210 |
| Base 11 | 125211 | 126311 |
| Base 12 | b3a12 | b4a12 |
| Base 13 | 98513 | 99413 |
| Base 14 | 84614 | 85414 |
| Base 15 | 73a15 | 74715 |
| Base 16 | 65e16 | 66a16 |