Compare 421639 vs 422857
| Property | 421639 | 422857 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 4216391 | 4228571 |
| Prime factorization | 421639 | 422857 |
| Divisors count | 2 | 2 |
| Divisors | 1, 421639 | 1, 422857 |
| Number of properties | 4 | 4 |
| Cousin primes (1st member) | 3970th | 3980th |
| Good primes | 1591st | |
| Isolated primes | 27564th | 27635th |
| Primes | 35513th | 35602nd |
| Sexy primes (2nd member) | 7989th | |
| Roman numberals | ||
| Base 2 | 11001101111000001112 | 11001110011110010012 |
| Base 3 | 2101021010213 | 2101110011013 |
| Base 4 | 12123300134 | 12130330214 |
| Base 5 | 1014430245 | 1020124125 |
| Base 6 | 130120116 | 130214016 |
| Base 7 | 34041617 | 34105517 |
| Base 8 | 14674078 | 14717118 |
| Base 9 | 7123379 | 7140419 |
| Base 10 | 42163910 | 42285710 |
| Base 11 | 26886911 | 26977611 |
| Base 12 | 18400712 | 18486112 |
| Base 13 | 119bba13 | 11a61613 |
| Base 14 | ad93114 | b016114 |
| Base 15 | 84de415 | 8545715 |
| Base 16 | 66f0716 | 673c916 |