Compare 421639 vs 421807
| Property | 421639 | 421807 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 4216391 | 4218071 |
| Prime factorization | 421639 | 421807 |
| Divisors count | 2 | 2 |
| Divisors | 1, 421639 | 1, 421807 |
| Number of properties | 4 | 4 |
| Chen primes | 14265th | |
| Cousin primes (1st member) | 3970th | |
| Isolated primes | 27564th | 27574th |
| Primes | 35513th | 35529th |
| Sexy primes (2nd member) | 7989th | 7994th |
| Roman numberals | ||
| Base 2 | 11001101111000001112 | 11001101111101011112 |
| Base 3 | 2101021010213 | 2101021211113 |
| Base 4 | 12123300134 | 12123322334 |
| Base 5 | 1014430245 | 1014442125 |
| Base 6 | 130120116 | 130124516 |
| Base 7 | 34041617 | 34045217 |
| Base 8 | 14674078 | 14676578 |
| Base 9 | 7123379 | 7125449 |
| Base 10 | 42163910 | 42180710 |
| Base 11 | 26886911 | 268a0111 |
| Base 12 | 18400712 | 18412712 |
| Base 13 | 119bba13 | 119cb913 |
| Base 14 | ad93114 | ada1114 |
| Base 15 | 84de415 | 84ea715 |
| Base 16 | 66f0716 | 66faf16 |