Compare 131639 vs 131687
| Property | 131639 | 131687 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1316391 | 1316871 |
| Prime factorization | 131639 | 131687 |
| Divisors count | 2 | 2 |
| Divisors | 1, 131639 | 1, 131687 |
| Number of properties | 4 | 5 |
| Additive primes | 5075th | |
| Chen primes | 5304th | |
| Good primes | 794th | |
| Isolated primes | 9238th | |
| Long primes | 4606th | |
| Primes | 12296th | 12299th |
| Safe primes | 837th | |
| Twin primes (1st member) | 1531st | |
| Roman numberals | ||
| Base 2 | 1000000010001101112 | 1000000010011001112 |
| Base 3 | 202001201123 | 202001220223 |
| Base 4 | 2000203134 | 2000212134 |
| Base 5 | 132030245 | 132032225 |
| Base 6 | 24532356 | 24533556 |
| Base 7 | 10555347 | 10556337 |
| Base 8 | 4010678 | 4011478 |
| Base 9 | 2205159 | 2205689 |
| Base 10 | 13163910 | 13168710 |
| Base 11 | 8a9a211 | 8aa3611 |
| Base 12 | 6421b12 | 6425b12 |
| Base 13 | 47bc113 | 47c2a13 |
| Base 14 | 35d8b14 | 35dc314 |
| Base 15 | 2900e15 | 2904215 |
| Base 16 | 2023716 | 2026716 |