Compare 1645 vs 1648
| Property | 1645 | 1648 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 3 | 2 |
| Total factors | 3 | 5 |
| Prime factorization | 51 × 71 × 471 | 24 × 1031 |
| Prime factorization | 5 × 7 × 47 | 2 × 2 × 2 × 2 × 103 |
| Divisors count | 8 | 10 |
| Divisors | 1, 5, 7, 35, 47, 235, 329, 1645 | 1, 2, 4, 8, 16, 103, 206, 412, 824, 1648 |
| Number of properties | 0 | 0 |
| Roman numberals | MDCXLV | MDCXLVIII |
| Base 2 | 110011011012 | 110011100002 |
| Base 3 | 20202213 | 20210013 |
| Base 4 | 1212314 | 1213004 |
| Base 5 | 230405 | 230435 |
| Base 6 | 113416 | 113446 |
| Base 7 | 45407 | 45437 |
| Base 8 | 31558 | 31608 |
| Base 9 | 22279 | 22319 |
| Base 10 | 164510 | 164810 |
| Base 11 | 126611 | 126911 |
| Base 12 | b5112 | b5412 |
| Base 13 | 99713 | 99a13 |
| Base 14 | 85714 | 85a14 |
| Base 15 | 74a15 | 74d15 |
| Base 16 | 66d16 | 67016 |