Compare 390989 vs 390997
| Property | 390989 | 390997 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 3909891 | 711 × 55071 |
| Prime factorization | 390989 | 71 × 5507 |
| Divisors count | 2 | 4 |
| Divisors | 1, 390989 | 1, 71, 5507, 390997 |
| Number of properties | 3 | 1 |
| Chen primes | 13409th | |
| Primes | 33147th | |
| Semiprimes | 85694th | |
| Twin primes (1st member) | 3731st | |
| Roman numberals | ||
| Base 2 | 10111110111010011012 | 10111110111010101012 |
| Base 3 | 2012121000023 | 2012121001013 |
| Base 4 | 11331310314 | 11331311114 |
| Base 5 | 1000024245 | 1000024425 |
| Base 6 | 122140456 | 122141016 |
| Base 7 | 32156247 | 32156357 |
| Base 8 | 13735158 | 13735258 |
| Base 9 | 6553029 | 6553119 |
| Base 10 | 39098910 | 39099710 |
| Base 11 | 24783511 | 24784211 |
| Base 12 | 16a32512 | 16a33112 |
| Base 13 | 108c7113 | 108c7913 |
| Base 14 | a26bb14 | a26c514 |
| Base 15 | 7acae15 | 7acb715 |
| Base 16 | 5f74d16 | 5f75516 |