Compare 399989 vs 400207
| Property | 399989 | 400207 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 3999891 | 4002071 |
| Prime factorization | 399989 | 400207 |
| Divisors count | 2 | 2 |
| Divisors | 1, 399989 | 1, 400207 |
| Number of properties | 7 | 4 |
| Additive primes | 13373rd | 13381st |
| Chen primes | 13663rd | 13672nd |
| Happy primes | 4996th | |
| Isolated primes | 26253rd | 26264th |
| Primes | 33860th | 33875th |
| Sexy primes (2nd member) | 7650th | |
| Sophie germain primes | 3589th | |
| Roman numberals | ||
| Base 2 | 11000011010011101012 | 11000011011010011112 |
| Base 3 | 2020222001023 | 2020222221113 |
| Base 4 | 12012213114 | 12012310334 |
| Base 5 | 1002444245 | 1003013125 |
| Base 6 | 123234456 | 123244516 |
| Base 7 | 32541027 | 32545337 |
| Base 8 | 14151658 | 14155178 |
| Base 9 | 6686129 | 6688749 |
| Base 10 | 39998910 | 40020710 |
| Base 11 | 25357711 | 25375511 |
| Base 12 | 17358512 | 17372712 |
| Base 13 | 1100a513 | 11021213 |
| Base 14 | a5aa914 | a5bc314 |
| Base 15 | 7d7ae15 | 7d8a715 |
| Base 16 | 61a7516 | 61b4f16 |