Compare 1439 vs 1931
| Property | 1439 | 1931 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 14391 | 19311 |
| Prime factorization | 1439 | 1931 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1439 | 1, 1931 |
| Number of properties | 9 | 5 |
| Additive primes | 124th | |
| Chen primes | 148th | 182nd |
| Emirps | 68th | |
| Harmonic primes | 108th | |
| Isolated primes | 135th | |
| Primes | 228th | 294th |
| Safe primes | 32nd | |
| Sexy primes (2nd member) | 99th | |
| Sexy prime triplets (3rd member) | 37th | |
| Sophie germain primes | 47th | 59th |
| Twin primes (1st member) | 59th | |
| Roman numberals | MCDXXXIX | MCMXXXI |
| Base 2 | 101100111112 | 111100010112 |
| Base 3 | 12220223 | 21221123 |
| Base 4 | 1121334 | 1320234 |
| Base 5 | 212245 | 302115 |
| Base 6 | 103556 | 125356 |
| Base 7 | 41247 | 54267 |
| Base 8 | 26378 | 36138 |
| Base 9 | 18689 | 25759 |
| Base 10 | 143910 | 193110 |
| Base 11 | 109911 | 14a611 |
| Base 12 | 9bb12 | 114b12 |
| Base 13 | 86913 | b5713 |
| Base 14 | 74b14 | 9bd14 |
| Base 15 | 65e15 | 88b15 |
| Base 16 | 59f16 | 78b16 |