Compare 1645 vs 1650
| Property | 1645 | 1650 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 3 | 4 |
| Total factors | 3 | 5 |
| Prime factorization | 51 × 71 × 471 | 21 × 31 × 52 × 111 |
| Prime factorization | 5 × 7 × 47 | 2 × 3 × 5 × 5 × 11 |
| Divisors count | 8 | 24 |
| Divisors | 1, 5, 7, 35, 47, 235, 329, 1645 | 1, 2, 3, 5, 6, 10, 11, 15, 22, 25, 30, 33, 50, 55, 66, 75, 110, 150, 165, 275, 330, 550, 825, 1650 |
| Number of properties | 0 | 0 |
| Roman numberals | MDCXLV | MDCL |
| Base 2 | 110011011012 | 110011100102 |
| Base 3 | 20202213 | 20210103 |
| Base 4 | 1212314 | 1213024 |
| Base 5 | 230405 | 231005 |
| Base 6 | 113416 | 113506 |
| Base 7 | 45407 | 45457 |
| Base 8 | 31558 | 31628 |
| Base 9 | 22279 | 22339 |
| Base 10 | 164510 | 165010 |
| Base 11 | 126611 | 127011 |
| Base 12 | b5112 | b5612 |
| Base 13 | 99713 | 99c13 |
| Base 14 | 85714 | 85c14 |
| Base 15 | 74a15 | 75015 |
| Base 16 | 66d16 | 67216 |