Compare 1648 vs 1649
| Property | 1648 | 1649 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 5 | 2 |
| Prime factorization | 24 × 1031 | 171 × 971 |
| Prime factorization | 2 × 2 × 2 × 2 × 103 | 17 × 97 |
| Divisors count | 10 | 4 |
| Divisors | 1, 2, 4, 8, 16, 103, 206, 412, 824, 1648 | 1, 17, 97, 1649 |
| Number of properties | 0 | 1 |
| Semiprimes | 474th | |
| Roman numberals | MDCXLVIII | MDCXLIX |
| Base 2 | 110011100002 | 110011100012 |
| Base 3 | 20210013 | 20210023 |
| Base 4 | 1213004 | 1213014 |
| Base 5 | 230435 | 230445 |
| Base 6 | 113446 | 113456 |
| Base 7 | 45437 | 45447 |
| Base 8 | 31608 | 31618 |
| Base 9 | 22319 | 22329 |
| Base 10 | 164810 | 164910 |
| Base 11 | 126911 | 126a11 |
| Base 12 | b5412 | b5512 |
| Base 13 | 99a13 | 99b13 |
| Base 14 | 85a14 | 85b14 |
| Base 15 | 74d15 | 74e15 |
| Base 16 | 67016 | 67116 |