Compare 1639 vs 1654
| Property | 1639 | 1654 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 111 × 1491 | 21 × 8271 |
| Prime factorization | 11 × 149 | 2 × 827 |
| Divisors count | 4 | 4 |
| Divisors | 1, 11, 149, 1639 | 1, 2, 827, 1654 |
| Number of properties | 1 | 1 |
| Semiprimes | 469th | 476th |
| Roman numberals | MDCXXXIX | MDCLIV |
| Base 2 | 110011001112 | 110011101102 |
| Base 3 | 20202013 | 20210213 |
| Base 4 | 1212134 | 1213124 |
| Base 5 | 230245 | 231045 |
| Base 6 | 113316 | 113546 |
| Base 7 | 45317 | 45527 |
| Base 8 | 31478 | 31668 |
| Base 9 | 22219 | 22379 |
| Base 10 | 163910 | 165410 |
| Base 11 | 126011 | 127411 |
| Base 12 | b4712 | b5a12 |
| Base 13 | 99113 | 9a313 |
| Base 14 | 85114 | 86214 |
| Base 15 | 74415 | 75415 |
| Base 16 | 66716 | 67616 |