Compare 421987 vs 421997
| Property | 421987 | 421997 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 4219871 | 4219971 |
| Prime factorization | 421987 | 421997 |
| Divisors count | 2 | 2 |
| Divisors | 1, 421987 | 1, 421997 |
| Number of properties | 5 | 4 |
| Additive primes | 14051st | |
| Chen primes | 14270th | 14271st |
| Isolated primes | 27582nd | 27583rd |
| Left-truncatable primes | 463rd | |
| Primes | 35537th | 35538th |
| Super primes | 3785th | |
| Roman numberals | ||
| Base 2 | 11001110000011000112 | 11001110000011011012 |
| Base 3 | 2101022120113 | 2101022121123 |
| Base 4 | 12130012034 | 12130012314 |
| Base 5 | 1020004225 | 1020004425 |
| Base 6 | 130133516 | 130134056 |
| Base 7 | 34051667 | 34052127 |
| Base 8 | 14701438 | 14701558 |
| Base 9 | 7127649 | 7127759 |
| Base 10 | 42198710 | 42199710 |
| Base 11 | 26905511 | 26906411 |
| Base 12 | 18425712 | 18426512 |
| Base 13 | 11a0c713 | 11a10413 |
| Base 14 | adadd14 | adb0914 |
| Base 15 | 8507715 | 8508215 |
| Base 16 | 6706316 | 6706d16 |