Compare 1623 vs 1649
| Property | 1623 | 1649 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 31 × 5411 | 171 × 971 |
| Prime factorization | 3 × 541 | 17 × 97 |
| Divisors count | 4 | 4 |
| Divisors | 1, 3, 541, 1623 | 1, 17, 97, 1649 |
| Number of properties | 1 | 1 |
| Semiprimes | 466th | 474th |
| Roman numberals | MDCXXIII | MDCXLIX |
| Base 2 | 110010101112 | 110011100012 |
| Base 3 | 20200103 | 20210023 |
| Base 4 | 1211134 | 1213014 |
| Base 5 | 224435 | 230445 |
| Base 6 | 113036 | 113456 |
| Base 7 | 45067 | 45447 |
| Base 8 | 31278 | 31618 |
| Base 9 | 22039 | 22329 |
| Base 10 | 162310 | 164910 |
| Base 11 | 124611 | 126a11 |
| Base 12 | b3312 | b5512 |
| Base 13 | 97b13 | 99b13 |
| Base 14 | 83d14 | 85b14 |
| Base 15 | 73315 | 74e15 |
| Base 16 | 65716 | 67116 |