Compare 390985 vs 390989
| Property | 390985 | 390989 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 51 × 71 × 111711 | 3909891 |
| Prime factorization | 5 × 7 × 11171 | 390989 |
| Divisors count | 8 | 2 |
| Divisors | 1, 5, 7, 35, 11171, 55855, 78197, 390985 | 1, 390989 |
| Number of properties | 0 | 3 |
| Chen primes | 13409th | |
| Primes | 33147th | |
| Twin primes (1st member) | 3731st | |
| Roman numberals | ||
| Base 2 | 10111110111010010012 | 10111110111010011012 |
| Base 3 | 2012120222213 | 2012121000023 |
| Base 4 | 11331310214 | 11331310314 |
| Base 5 | 1000024205 | 1000024245 |
| Base 6 | 122140416 | 122140456 |
| Base 7 | 32156207 | 32156247 |
| Base 8 | 13735118 | 13735158 |
| Base 9 | 6552879 | 6553029 |
| Base 10 | 39098510 | 39098910 |
| Base 11 | 24783111 | 24783511 |
| Base 12 | 16a32112 | 16a32512 |
| Base 13 | 108c6a13 | 108c7113 |
| Base 14 | a26b714 | a26bb14 |
| Base 15 | 7acaa15 | 7acae15 |
| Base 16 | 5f74916 | 5f74d16 |