Compare 42257 vs 42261
| Property | 42257 | 42261 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 422571 | 31 × 140871 |
| Prime factorization | 42257 | 3 × 14087 |
| Divisors count | 2 | 4 |
| Divisors | 1, 42257 | 1, 3, 14087, 42261 |
| Number of properties | 5 | 1 |
| Chen primes | 2075th | |
| Isolated primes | 3189th | |
| Long primes | 1663rd | |
| Primes | 4418th | |
| Pythagorean primes | 2191st | |
| Semiprimes | 10307th | |
| Roman numberals | ||
| Base 2 | 10100101000100012 | 10100101000101012 |
| Base 3 | 20102220023 | 20102220203 |
| Base 4 | 221101014 | 221101114 |
| Base 5 | 23230125 | 23230215 |
| Base 6 | 5233456 | 5233536 |
| Base 7 | 2341257 | 2341327 |
| Base 8 | 1224218 | 1224258 |
| Base 9 | 638629 | 638669 |
| Base 10 | 4225710 | 4226110 |
| Base 11 | 2982611 | 2982a11 |
| Base 12 | 2055512 | 2055912 |
| Base 13 | 1630713 | 1630b13 |
| Base 14 | 1158514 | 1158914 |
| Base 15 | c7c215 | c7c615 |
| Base 16 | a51116 | a51516 |