Compare 645139 vs 645143
| Property | 645139 | 645143 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 3 | 2 |
| Prime factorization | 111 × 2231 × 2631 | 671 × 96291 |
| Prime factorization | 11 × 223 × 263 | 67 × 9629 |
| Divisors count | 8 | 4 |
| Divisors | 1, 11, 223, 263, 2453, 2893, 58649, 645139 | 1, 67, 9629, 645143 |
| Number of properties | 0 | 1 |
| Semiprimes | 138190th | |
| Roman numberals | ||
| Base 2 | 100111011000000100112 | 100111011000000101112 |
| Base 3 | 10122022220013 | 10122022220123 |
| Base 4 | 21312001034 | 21312001134 |
| Base 5 | 1311210245 | 1311210335 |
| Base 6 | 214544316 | 214544356 |
| Base 7 | 53246057 | 53246127 |
| Base 8 | 23540238 | 23540278 |
| Base 9 | 11828619 | 11828659 |
| Base 10 | 64513910 | 64514310 |
| Base 11 | 40078011 | 40078411 |
| Base 12 | 27141712 | 27141b12 |
| Base 13 | 19785113 | 19785513 |
| Base 14 | 12b17514 | 12b17914 |
| Base 15 | cb24415 | cb24815 |
| Base 16 | 9d81316 | 9d81716 |