Compare 399989 vs 400481
| Property | 399989 | 400481 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 3999891 | 4004811 |
| Prime factorization | 399989 | 400481 |
| Divisors count | 2 | 2 |
| Divisors | 1, 399989 | 1, 400481 |
| Number of properties | 7 | 5 |
| Additive primes | 13373rd | 13393rd |
| Chen primes | 13663rd | 13680th |
| Happy primes | 4996th | 5006th |
| Isolated primes | 26253rd | 26285th |
| Primes | 33860th | 33898th |
| Sexy primes (2nd member) | 7650th | |
| Sophie germain primes | 3589th | |
| Roman numberals | ||
| Base 2 | 11000011010011101012 | 11000011100011000012 |
| Base 3 | 2020222001023 | 2021001001223 |
| Base 4 | 12012213114 | 12013012014 |
| Base 5 | 1002444245 | 1003034115 |
| Base 6 | 123234456 | 123300256 |
| Base 7 | 32541027 | 32554047 |
| Base 8 | 14151658 | 14161418 |
| Base 9 | 6686129 | 6703189 |
| Base 10 | 39998910 | 40048110 |
| Base 11 | 25357711 | 25398411 |
| Base 12 | 17358512 | 17391512 |
| Base 13 | 1100a513 | 11039313 |
| Base 14 | a5aa914 | a5d3b14 |
| Base 15 | 7d7ae15 | 7d9db15 |
| Base 16 | 61a7516 | 61c6116 |