Compare 399871 vs 400087
| Property | 399871 | 400087 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 3998711 | 4000871 |
| Prime factorization | 399871 | 400087 |
| Divisors count | 2 | 2 |
| Divisors | 1, 399871 | 1, 400087 |
| Number of properties | 3 | 5 |
| Additive primes | 13370th | 13377th |
| Happy primes | 4999th | |
| Isolated primes | 26245th | 26256th |
| Primes | 33850th | 33867th |
| Sexy primes (1st member) | 7651st | |
| Roman numberals | ||
| Base 2 | 11000011001111111112 | 11000011010110101112 |
| Base 3 | 2020221120013 | 2020222110013 |
| Base 4 | 12012133334 | 12012231134 |
| Base 5 | 1002434415 | 1003003225 |
| Base 6 | 123231316 | 123241316 |
| Base 7 | 32535437 | 32543027 |
| Base 8 | 14147778 | 14153278 |
| Base 9 | 6684619 | 6687319 |
| Base 10 | 39987110 | 40008710 |
| Base 11 | 25347a11 | 25365611 |
| Base 12 | 1734a712 | 17364712 |
| Base 13 | 11001413 | 11014c13 |
| Base 14 | a5a2314 | a5b3914 |
| Base 15 | 7d73115 | 7d82715 |
| Base 16 | 619ff16 | 61ad716 |