Compare 130981 vs 131221
| Property | 130981 | 131221 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1309811 | 1312211 |
| Prime factorization | 130981 | 131221 |
| Divisors count | 2 | 2 |
| Divisors | 1, 130981 | 1, 131221 |
| Number of properties | 6 | 4 |
| Centered triangular primes | 59th | |
| Chen primes | 5285th | |
| Emirps | 2494th | |
| Isolated primes | 9194th | 9208th |
| Primes | 12243rd | 12261st |
| Pythagorean primes | 6092nd | 6100th |
| Sexy primes (1st member) | 3036th | |
| Roman numberals | ||
| Base 2 | 111111111101001012 | 1000000000100101012 |
| Base 3 | 201222000113 | 202000000013 |
| Base 4 | 1333322114 | 2000021114 |
| Base 5 | 131424115 | 131443415 |
| Base 6 | 24502216 | 24513016 |
| Base 7 | 10536047 | 10543667 |
| Base 8 | 3776458 | 4002258 |
| Base 9 | 2186049 | 2200019 |
| Base 10 | 13098110 | 13122110 |
| Base 11 | 8a45411 | 8a65211 |
| Base 12 | 6397112 | 63b3112 |
| Base 13 | 4780613 | 4795c13 |
| Base 14 | 35a3b14 | 35b6d14 |
| Base 15 | 28c2115 | 28d3115 |
| Base 16 | 1ffa516 | 2009516 |