Compare 421607 vs 421987
| Property | 421607 | 421987 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 4216071 | 4219871 |
| Prime factorization | 421607 | 421987 |
| Divisors count | 2 | 2 |
| Divisors | 1, 421607 | 1, 421987 |
| Number of properties | 5 | 5 |
| Additive primes | 14051st | |
| Chen primes | 14260th | 14270th |
| Isolated primes | 27582nd | |
| Primes | 35509th | 35537th |
| Safe primes | 2144th | |
| Super primes | 3780th | 3785th |
| Twin primes (1st member) | 3975th | |
| Roman numberals | ||
| Base 2 | 11001101110111001112 | 11001110000011000112 |
| Base 3 | 2101021000023 | 2101022120113 |
| Base 4 | 12123232134 | 12130012034 |
| Base 5 | 1014424125 | 1020004225 |
| Base 6 | 130115156 | 130133516 |
| Base 7 | 34041147 | 34051667 |
| Base 8 | 14673478 | 14701438 |
| Base 9 | 7123029 | 7127649 |
| Base 10 | 42160710 | 42198710 |
| Base 11 | 26883a11 | 26905511 |
| Base 12 | 183b9b12 | 18425712 |
| Base 13 | 119b9413 | 11a0c713 |
| Base 14 | ad90b14 | adadd14 |
| Base 15 | 84dc215 | 8507715 |
| Base 16 | 66ee716 | 6706316 |