Compare 664942 vs 664971
| Property | 664942 | 664971 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 21 × 3324711 | 31 × 2216571 |
| Prime factorization | 2 × 332471 | 3 × 221657 |
| Divisors count | 4 | 4 |
| Divisors | 1, 2, 332471, 664942 | 1, 3, 221657, 664971 |
| Number of properties | 1 | 1 |
| Semiprimes | 142244th | 142253rd |
| Roman numberals | ||
| Base 2 | 101000100101011011102 | 101000100101100010112 |
| Base 3 | 10202100101113 | 10202100111203 |
| Base 4 | 22021112324 | 22021120234 |
| Base 5 | 1322342325 | 1322343415 |
| Base 6 | 221302346 | 221303236 |
| Base 7 | 54364157 | 54364567 |
| Base 8 | 24225568 | 24226138 |
| Base 9 | 12231149 | 12231469 |
| Base 10 | 66494210 | 66497110 |
| Base 11 | 41464311 | 41466a11 |
| Base 12 | 28097a12 | 2809a312 |
| Base 13 | 1a387513 | 1a389813 |
| Base 14 | 13447c14 | 13449d14 |
| Base 15 | d204715 | d206615 |
| Base 16 | a256e16 | a258b16 |