Compare 1643 vs 1648
| Property | 1643 | 1648 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 2 |
| Total factors | 2 | 5 |
| Prime factorization | 311 × 531 | 24 × 1031 |
| Prime factorization | 31 × 53 | 2 × 2 × 2 × 2 × 103 |
| Divisors count | 4 | 10 |
| Divisors | 1, 31, 53, 1643 | 1, 2, 4, 8, 16, 103, 206, 412, 824, 1648 |
| Number of properties | 1 | 0 |
| Semiprimes | 472nd | |
| Roman numberals | MDCXLIII | MDCXLVIII |
| Base 2 | 110011010112 | 110011100002 |
| Base 3 | 20202123 | 20210013 |
| Base 4 | 1212234 | 1213004 |
| Base 5 | 230335 | 230435 |
| Base 6 | 113356 | 113446 |
| Base 7 | 45357 | 45437 |
| Base 8 | 31538 | 31608 |
| Base 9 | 22259 | 22319 |
| Base 10 | 164310 | 164810 |
| Base 11 | 126411 | 126911 |
| Base 12 | b4b12 | b5412 |
| Base 13 | 99513 | 99a13 |
| Base 14 | 85514 | 85a14 |
| Base 15 | 74815 | 74d15 |
| Base 16 | 66b16 | 67016 |