Compare 31139 vs 31847
| Property | 31139 | 31847 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 311391 | 318471 |
| Prime factorization | 31139 | 31847 |
| Divisors count | 2 | 2 |
| Divisors | 1, 31139 | 1, 31847 |
| Number of properties | 7 | 7 |
| Additive primes | 1515th | 1551st |
| Chen primes | 1634th | |
| Emirps | 669th | |
| Good primes | 333rd | |
| Happy primes | 564th | |
| Isolated primes | 2394th | |
| Long primes | 1271st | 1297th |
| Primes | 3353rd | 3421st |
| Safe primes | 272nd | 277th |
| Twin primes (1st member) | 491st | |
| Roman numberals | ||
| Base 2 | 1111001101000112 | 1111100011001112 |
| Base 3 | 11202010223 | 11212001123 |
| Base 4 | 132122034 | 133012134 |
| Base 5 | 14440245 | 20043425 |
| Base 6 | 4000556 | 4032356 |
| Base 7 | 1565337 | 1615647 |
| Base 8 | 746438 | 761478 |
| Base 9 | 466389 | 476159 |
| Base 10 | 3113910 | 3184710 |
| Base 11 | 2143911 | 21a2211 |
| Base 12 | 1602b12 | 1651b12 |
| Base 13 | 1123413 | 1165a13 |
| Base 14 | b4c314 | b86b14 |
| Base 15 | 935e15 | 968215 |
| Base 16 | 79a316 | 7c6716 |