Compare 131855 vs 131861
| Property | 131855 | 131861 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 51 × 263711 | 1318611 |
| Prime factorization | 5 × 26371 | 131861 |
| Divisors count | 4 | 2 |
| Divisors | 1, 5, 26371, 131855 | 1, 131861 |
| Number of properties | 1 | 5 |
| Chen primes | 5313th | |
| Isolated primes | 9249th | |
| Primes | 12316th | |
| Pythagorean primes | 6127th | |
| Semiprimes | 30431st | |
| Sophie germain primes | 1471st | |
| Roman numberals | ||
| Base 2 | 1000000011000011112 | 1000000011000101012 |
| Base 3 | 202002121123 | 202002122023 |
| Base 4 | 2000300334 | 2000301114 |
| Base 5 | 132044105 | 132044215 |
| Base 6 | 24542356 | 24542456 |
| Base 7 | 10562637 | 10563027 |
| Base 8 | 4014178 | 4014258 |
| Base 9 | 2207759 | 2207829 |
| Base 10 | 13185510 | 13186110 |
| Base 11 | 9007911 | 9008411 |
| Base 12 | 6437b12 | 6438512 |
| Base 13 | 4802913 | 4803213 |
| Base 14 | 360a314 | 360a914 |
| Base 15 | 2910515 | 2910b15 |
| Base 16 | 2030f16 | 2031516 |