Compare 42638 vs 42647
| Property | 42638 | 42647 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 21 × 213191 | 111 × 38771 |
| Prime factorization | 2 × 21319 | 11 × 3877 |
| Divisors count | 4 | 4 |
| Divisors | 1, 2, 21319, 42638 | 1, 11, 3877, 42647 |
| Number of properties | 1 | 1 |
| Semiprimes | 10387th | 10389th |
| Roman numberals | ||
| Base 2 | 10100110100011102 | 10100110100101112 |
| Base 3 | 20111110123 | 20111111123 |
| Base 4 | 221220324 | 221221134 |
| Base 5 | 23310235 | 23310425 |
| Base 6 | 5252226 | 5252356 |
| Base 7 | 2352117 | 2352237 |
| Base 8 | 1232168 | 1232278 |
| Base 9 | 644359 | 644459 |
| Base 10 | 4263810 | 4264710 |
| Base 11 | 2a04211 | 2a05011 |
| Base 12 | 2081212 | 2081b12 |
| Base 13 | 1653b13 | 1654713 |
| Base 14 | 1177814 | 1178314 |
| Base 15 | c97815 | c98215 |
| Base 16 | a68e16 | a69716 |