Compare 399643 vs 421997
| Property | 399643 | 421997 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 3996431 | 4219971 |
| Prime factorization | 399643 | 421997 |
| Divisors count | 2 | 2 |
| Divisors | 1, 399643 | 1, 421997 |
| Number of properties | 4 | 4 |
| Chen primes | 14271st | |
| Cousin primes (1st member) | 3809th | |
| Isolated primes | 26231st | 27583rd |
| Left-truncatable primes | 462nd | 463rd |
| Primes | 33832nd | 35538th |
| Roman numberals | ||
| Base 2 | 11000011001000110112 | 11001110000011011012 |
| Base 3 | 2020220121213 | 2101022121123 |
| Base 4 | 12012101234 | 12130012314 |
| Base 5 | 1002420335 | 1020004425 |
| Base 6 | 123221116 | 130134056 |
| Base 7 | 32530667 | 34052127 |
| Base 8 | 14144338 | 14701558 |
| Base 9 | 6681779 | 7127759 |
| Base 10 | 39964310 | 42199710 |
| Base 11 | 25329211 | 26906411 |
| Base 12 | 17333712 | 18426512 |
| Base 13 | 10cb9a13 | 11a10413 |
| Base 14 | a58dd14 | adb0914 |
| Base 15 | 7d62d15 | 8508215 |
| Base 16 | 6191b16 | 6706d16 |