Compare 399643 vs 399979
| Property | 399643 | 399979 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 3996431 | 3999791 |
| Prime factorization | 399643 | 399979 |
| Divisors count | 2 | 2 |
| Divisors | 1, 399643 | 1, 399979 |
| Number of properties | 4 | 4 |
| Chen primes | 13661st | |
| Cousin primes (1st member) | 3809th | 3813th |
| Isolated primes | 26231st | 26251st |
| Left-truncatable primes | 462nd | |
| Primes | 33832nd | 33858th |
| Roman numberals | ||
| Base 2 | 11000011001000110112 | 11000011010011010112 |
| Base 3 | 2020220121213 | 2020222000013 |
| Base 4 | 12012101234 | 12012212234 |
| Base 5 | 1002420335 | 1002444045 |
| Base 6 | 123221116 | 123234316 |
| Base 7 | 32530667 | 32540567 |
| Base 8 | 14144338 | 14151538 |
| Base 9 | 6681779 | 6686019 |
| Base 10 | 39964310 | 39997910 |
| Base 11 | 25329211 | 25356811 |
| Base 12 | 17333712 | 17357712 |
| Base 13 | 10cb9a13 | 11009813 |
| Base 14 | a58dd14 | a5a9d14 |
| Base 15 | 7d62d15 | 7d7a415 |
| Base 16 | 6191b16 | 61a6b16 |