Compare 439 vs 491
| Property | 439 | 491 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 4391 | 4911 |
| Prime factorization | 439 | 491 |
| Divisors count | 2 | 2 |
| Divisors | 1, 439 | 1, 491 |
| Number of properties | 4 | 7 |
| Chen primes | 66th | |
| Cousin primes (1st member) | 23rd | |
| Cousin primes (2nd member) | 26th | |
| Harmonic primes | 38th | |
| Isolated primes | 40th | 47th |
| Long primes | 34th | |
| Primes | 85th | 94th |
| Sexy primes (2nd member) | 43rd | |
| Sophie germain primes | 25th | |
| Roman numberals | CDXXXIX | CDXCI |
| Base 2 | 1101101112 | 1111010112 |
| Base 3 | 1210213 | 2000123 |
| Base 4 | 123134 | 132234 |
| Base 5 | 32245 | 34315 |
| Base 6 | 20116 | 21356 |
| Base 7 | 11657 | 13017 |
| Base 8 | 6678 | 7538 |
| Base 9 | 5379 | 6059 |
| Base 10 | 43910 | 49110 |
| Base 11 | 36a11 | 40711 |
| Base 12 | 30712 | 34b12 |
| Base 13 | 27a13 | 2ba13 |
| Base 14 | 23514 | 27114 |
| Base 15 | 1e415 | 22b15 |
| Base 16 | 1b716 | 1eb16 |