Compare 42181 vs 42491
| Property | 42181 | 42491 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 421811 | 424911 |
| Prime factorization | 42181 | 42491 |
| Divisors count | 2 | 2 |
| Divisors | 1, 42181 | 1, 42491 |
| Number of properties | 9 | 5 |
| Chen primes | 2083rd | |
| Cousin primes (2nd member) | 615th | |
| Happy primes | 725th | |
| Harmonic primes | 1642nd | 1654th |
| Isolated primes | 3211th | |
| Long primes | 1660th | |
| Primes | 4409th | 4446th |
| Pythagorean primes | 2186th | |
| Sexy primes (1st member) | 1249th | |
| Sexy prime triplets (1st member) | 304th | |
| Super primes | 600th | |
| Twin primes (2nd member) | 614th | |
| Roman numberals | ||
| Base 2 | 10100100110001012 | 10100101111110112 |
| Base 3 | 20102120213 | 20110212023 |
| Base 4 | 221030114 | 221133234 |
| Base 5 | 23222115 | 23244315 |
| Base 6 | 5231416 | 5244156 |
| Base 7 | 2336567 | 2346117 |
| Base 8 | 1223058 | 1227738 |
| Base 9 | 637679 | 642529 |
| Base 10 | 4218110 | 4249110 |
| Base 11 | 2976711 | 29a1911 |
| Base 12 | 204b112 | 2070b12 |
| Base 13 | 1627913 | 1645713 |
| Base 14 | 1152d14 | 116b114 |
| Base 15 | c77115 | c8cb15 |
| Base 16 | a4c516 | a5fb16 |