Compare 1373 vs 1439
| Property | 1373 | 1439 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 13731 | 14391 |
| Prime factorization | 1373 | 1439 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1373 | 1, 1439 |
| Number of properties | 7 | 9 |
| Additive primes | 124th | |
| Chen primes | 148th | |
| Emirps | 68th | |
| Happy primes | 43rd | |
| Isolated primes | 129th | 135th |
| Left-truncatable primes | 58th | |
| Primes | 220th | 228th |
| Pythagorean primes | 108th | |
| Safe primes | 32nd | |
| Sexy primes (2nd member) | 96th | 99th |
| Sexy prime triplets (3rd member) | 36th | 37th |
| Sophie germain primes | 47th | |
| Roman numberals | MCCCLXXIII | MCDXXXIX |
| Base 2 | 101010111012 | 101100111112 |
| Base 3 | 12122123 | 12220223 |
| Base 4 | 1111314 | 1121334 |
| Base 5 | 204435 | 212245 |
| Base 6 | 102056 | 103556 |
| Base 7 | 40017 | 41247 |
| Base 8 | 25358 | 26378 |
| Base 9 | 17859 | 18689 |
| Base 10 | 137310 | 143910 |
| Base 11 | 103911 | 109911 |
| Base 12 | 96512 | 9bb12 |
| Base 13 | 81813 | 86913 |
| Base 14 | 70114 | 74b14 |
| Base 15 | 61815 | 65e15 |
| Base 16 | 55d16 | 59f16 |