Compare 42247 vs 42257
| Property | 42247 | 42257 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 831 × 5091 | 422571 |
| Prime factorization | 83 × 509 | 42257 |
| Divisors count | 4 | 2 |
| Divisors | 1, 83, 509, 42247 | 1, 42257 |
| Number of properties | 1 | 5 |
| Chen primes | 2075th | |
| Isolated primes | 3189th | |
| Long primes | 1663rd | |
| Primes | 4418th | |
| Pythagorean primes | 2191st | |
| Semiprimes | 10304th | |
| Roman numberals | ||
| Base 2 | 10100101000001112 | 10100101000100012 |
| Base 3 | 20102212013 | 20102220023 |
| Base 4 | 221100134 | 221101014 |
| Base 5 | 23224425 | 23230125 |
| Base 6 | 5233316 | 5233456 |
| Base 7 | 2341127 | 2341257 |
| Base 8 | 1224078 | 1224218 |
| Base 9 | 638519 | 638629 |
| Base 10 | 4224710 | 4225710 |
| Base 11 | 2981711 | 2982611 |
| Base 12 | 2054712 | 2055512 |
| Base 13 | 162ca13 | 1630713 |
| Base 14 | 1157914 | 1158514 |
| Base 15 | c7b715 | c7c215 |
| Base 16 | a50716 | a51116 |