Compare 42181 vs 42257
| Property | 42181 | 42257 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 421811 | 422571 |
| Prime factorization | 42181 | 42257 |
| Divisors count | 2 | 2 |
| Divisors | 1, 42181 | 1, 42257 |
| Number of properties | 9 | 5 |
| Chen primes | 2075th | |
| Happy primes | 725th | |
| Harmonic primes | 1642nd | |
| Isolated primes | 3189th | |
| Long primes | 1660th | 1663rd |
| Primes | 4409th | 4418th |
| Pythagorean primes | 2186th | 2191st |
| Sexy primes (1st member) | 1249th | |
| Sexy prime triplets (1st member) | 304th | |
| Super primes | 600th | |
| Twin primes (2nd member) | 614th | |
| Roman numberals | ||
| Base 2 | 10100100110001012 | 10100101000100012 |
| Base 3 | 20102120213 | 20102220023 |
| Base 4 | 221030114 | 221101014 |
| Base 5 | 23222115 | 23230125 |
| Base 6 | 5231416 | 5233456 |
| Base 7 | 2336567 | 2341257 |
| Base 8 | 1223058 | 1224218 |
| Base 9 | 637679 | 638629 |
| Base 10 | 4218110 | 4225710 |
| Base 11 | 2976711 | 2982611 |
| Base 12 | 204b112 | 2055512 |
| Base 13 | 1627913 | 1630713 |
| Base 14 | 1152d14 | 1158514 |
| Base 15 | c77115 | c7c215 |
| Base 16 | a4c516 | a51116 |