Compare 421997 vs 439883
| Property | 421997 | 439883 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 4219971 | 4398831 |
| Prime factorization | 421997 | 439883 |
| Divisors count | 2 | 2 |
| Divisors | 1, 421997 | 1, 439883 |
| Number of properties | 4 | 5 |
| Chen primes | 14271st | 14805th |
| Isolated primes | 27583rd | 28695th |
| Left-truncatable primes | 463rd | 471st |
| Primes | 35538th | 36932nd |
| Safe primes | 2221st | |
| Roman numberals | ||
| Base 2 | 11001110000011011012 | 11010110110010010112 |
| Base 3 | 2101022121123 | 2111001012223 |
| Base 4 | 12130012314 | 12231210234 |
| Base 5 | 1020004425 | 1030340135 |
| Base 6 | 130134056 | 132322556 |
| Base 7 | 34052127 | 35113137 |
| Base 8 | 14701558 | 15331138 |
| Base 9 | 7127759 | 7403589 |
| Base 10 | 42199710 | 43988310 |
| Base 11 | 26906411 | 28054411 |
| Base 12 | 18426512 | 19268b12 |
| Base 13 | 11a10413 | 1252b213 |
| Base 14 | adb0914 | b644314 |
| Base 15 | 8508215 | 8a50815 |
| Base 16 | 6706d16 | 6b64b16 |