Compare 1642 vs 1648
| Property | 1642 | 1648 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 2 |
| Total factors | 2 | 5 |
| Prime factorization | 21 × 8211 | 24 × 1031 |
| Prime factorization | 2 × 821 | 2 × 2 × 2 × 2 × 103 |
| Divisors count | 4 | 10 |
| Divisors | 1, 2, 821, 1642 | 1, 2, 4, 8, 16, 103, 206, 412, 824, 1648 |
| Number of properties | 1 | 0 |
| Semiprimes | 471st | |
| Roman numberals | MDCXLII | MDCXLVIII |
| Base 2 | 110011010102 | 110011100002 |
| Base 3 | 20202113 | 20210013 |
| Base 4 | 1212224 | 1213004 |
| Base 5 | 230325 | 230435 |
| Base 6 | 113346 | 113446 |
| Base 7 | 45347 | 45437 |
| Base 8 | 31528 | 31608 |
| Base 9 | 22249 | 22319 |
| Base 10 | 164210 | 164810 |
| Base 11 | 126311 | 126911 |
| Base 12 | b4a12 | b5412 |
| Base 13 | 99413 | 99a13 |
| Base 14 | 85414 | 85a14 |
| Base 15 | 74715 | 74d15 |
| Base 16 | 66a16 | 67016 |