Compare 31139 vs 31307
| Property | 31139 | 31307 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 311391 | 313071 |
| Prime factorization | 31139 | 31307 |
| Divisors count | 2 | 2 |
| Divisors | 1, 31139 | 1, 31307 |
| Number of properties | 7 | 5 |
| Additive primes | 1515th | |
| Chen primes | 1609th | |
| Emirps | 669th | 676th |
| Good primes | 333rd | |
| Happy primes | 556th | |
| Isolated primes | 2394th | 2409th |
| Long primes | 1271st | |
| Primes | 3353rd | 3374th |
| Safe primes | 272nd | |
| Roman numberals | ||
| Base 2 | 1111001101000112 | 1111010010010112 |
| Base 3 | 11202010223 | 11202211123 |
| Base 4 | 132122034 | 132210234 |
| Base 5 | 14440245 | 20002125 |
| Base 6 | 4000556 | 4005356 |
| Base 7 | 1565337 | 1601637 |
| Base 8 | 746438 | 751138 |
| Base 9 | 466389 | 468459 |
| Base 10 | 3113910 | 3130710 |
| Base 11 | 2143911 | 2158111 |
| Base 12 | 1602b12 | 1614b12 |
| Base 13 | 1123413 | 1133313 |
| Base 14 | b4c314 | b5a314 |
| Base 15 | 935e15 | 942215 |
| Base 16 | 79a316 | 7a4b16 |