Compare 1439 vs 1901
| Property | 1439 | 1901 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 14391 | 19011 |
| Prime factorization | 1439 | 1901 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1439 | 1, 1901 |
| Number of properties | 9 | 11 |
| Additive primes | 124th | 154th |
| Centered decagonal primes | 14th | |
| Chen primes | 148th | 179th |
| Emirps | 68th | 92nd |
| Harmonic primes | 106th | |
| Isolated primes | 135th | 176th |
| Primes | 228th | 291st |
| Pythagorean primes | 141st | |
| Safe primes | 32nd | |
| Sexy primes (1st member) | 124th | |
| Sexy primes (2nd member) | 99th | |
| Sexy prime triplets (1st member) | 49th | |
| Sexy prime triplets (3rd member) | 37th | |
| Sophie germain primes | 47th | 58th |
| Roman numberals | MCDXXXIX | MCMI |
| Base 2 | 101100111112 | 111011011012 |
| Base 3 | 12220223 | 21211023 |
| Base 4 | 1121334 | 1312314 |
| Base 5 | 212245 | 301015 |
| Base 6 | 103556 | 124456 |
| Base 7 | 41247 | 53547 |
| Base 8 | 26378 | 35558 |
| Base 9 | 18689 | 25429 |
| Base 10 | 143910 | 190110 |
| Base 11 | 109911 | 147911 |
| Base 12 | 9bb12 | 112512 |
| Base 13 | 86913 | b3313 |
| Base 14 | 74b14 | 99b14 |
| Base 15 | 65e15 | 86b15 |
| Base 16 | 59f16 | 76d16 |