Compare 42491 vs 42557
| Property | 42491 | 42557 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 424911 | 425571 |
| Prime factorization | 42491 | 42557 |
| Divisors count | 2 | 2 |
| Divisors | 1, 42491 | 1, 42557 |
| Number of properties | 5 | 4 |
| Additive primes | 1988th | |
| Chen primes | 2083rd | |
| Cousin primes (2nd member) | 615th | |
| Harmonic primes | 1654th | |
| Isolated primes | 3211th | 3215th |
| Primes | 4446th | 4450th |
| Pythagorean primes | 2206th | |
| Roman numberals | ||
| Base 2 | 10100101111110112 | 10100110001111012 |
| Base 3 | 20110212023 | 20111010123 |
| Base 4 | 221133234 | 221203314 |
| Base 5 | 23244315 | 23302125 |
| Base 6 | 5244156 | 5250056 |
| Base 7 | 2346117 | 2350347 |
| Base 8 | 1227738 | 1230758 |
| Base 9 | 642529 | 643359 |
| Base 10 | 4249110 | 4255710 |
| Base 11 | 29a1911 | 29a7911 |
| Base 12 | 2070b12 | 2076512 |
| Base 13 | 1645713 | 164a813 |
| Base 14 | 116b114 | 1171b14 |
| Base 15 | c8cb15 | c92215 |
| Base 16 | a5fb16 | a63d16 |