Compare 399391 vs 399989
| Property | 399391 | 399989 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 3993911 | 3999891 |
| Prime factorization | 399391 | 399989 |
| Divisors count | 2 | 2 |
| Divisors | 1, 399391 | 1, 399989 |
| Number of properties | 4 | 7 |
| Additive primes | 13373rd | |
| Chen primes | 13663rd | |
| Emirps | 6681st | |
| Happy primes | 4986th | 4996th |
| Isolated primes | 26253rd | |
| Primes | 33810th | 33860th |
| Sexy primes (2nd member) | 7650th | |
| Sophie germain primes | 3589th | |
| Twin primes (2nd member) | 3799th | |
| Roman numberals | ||
| Base 2 | 11000011000000111112 | 11000011010011101012 |
| Base 3 | 2020212120213 | 2020222001023 |
| Base 4 | 12012001334 | 12012213114 |
| Base 5 | 1002400315 | 1002444245 |
| Base 6 | 123210116 | 123234456 |
| Base 7 | 32522567 | 32541027 |
| Base 8 | 14140378 | 14151658 |
| Base 9 | 6677679 | 6686129 |
| Base 10 | 39939110 | 39998910 |
| Base 11 | 25308311 | 25357711 |
| Base 12 | 17316712 | 17358512 |
| Base 13 | 10ca3513 | 1100a513 |
| Base 14 | a579d14 | a5aa914 |
| Base 15 | 7d51115 | 7d7ae15 |
| Base 16 | 6181f16 | 61a7516 |