Compare 31139 vs 31957
| Property | 31139 | 31957 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 311391 | 319571 |
| Prime factorization | 31139 | 31957 |
| Divisors count | 2 | 2 |
| Divisors | 1, 31139 | 1, 31957 |
| Number of properties | 7 | 7 |
| Additive primes | 1515th | |
| Emirps | 669th | 695th |
| Good primes | 333rd | 335th |
| Harmonic primes | 1275th | |
| Isolated primes | 2394th | 2447th |
| Long primes | 1271st | |
| Primes | 3353rd | 3428th |
| Pythagorean primes | 1703rd | |
| Safe primes | 272nd | |
| Sexy primes (1st member) | 1001st | |
| Roman numberals | ||
| Base 2 | 1111001101000112 | 1111100110101012 |
| Base 3 | 11202010223 | 11212111213 |
| Base 4 | 132122034 | 133031114 |
| Base 5 | 14440245 | 20103125 |
| Base 6 | 4000556 | 4035416 |
| Base 7 | 1565337 | 1621127 |
| Base 8 | 746438 | 763258 |
| Base 9 | 466389 | 477479 |
| Base 10 | 3113910 | 3195710 |
| Base 11 | 2143911 | 2201211 |
| Base 12 | 1602b12 | 165b112 |
| Base 13 | 1123413 | 1171313 |
| Base 14 | b4c314 | b90914 |
| Base 15 | 935e15 | 970715 |
| Base 16 | 79a316 | 7cd516 |