Compare 131221 vs 131249
| Property | 131221 | 131249 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1312211 | 1312491 |
| Prime factorization | 131221 | 131249 |
| Divisors count | 2 | 2 |
| Divisors | 1, 131221 | 1, 131249 |
| Number of properties | 4 | 5 |
| Chen primes | 5291st | |
| Emirps | 2494th | |
| Isolated primes | 9208th | |
| Primes | 12261st | 12263rd |
| Pythagorean primes | 6100th | 6101st |
| Super primes | 1466th | |
| Twin primes (1st member) | 1528th | |
| Roman numberals | ||
| Base 2 | 1000000000100101012 | 1000000000101100012 |
| Base 3 | 202000000013 | 202000010023 |
| Base 4 | 2000021114 | 2000023014 |
| Base 5 | 131443415 | 131444445 |
| Base 6 | 24513016 | 24513456 |
| Base 7 | 10543667 | 10544367 |
| Base 8 | 4002258 | 4002618 |
| Base 9 | 2200019 | 2200329 |
| Base 10 | 13122110 | 13124910 |
| Base 11 | 8a65211 | 8a67811 |
| Base 12 | 63b3112 | 63b5512 |
| Base 13 | 4795c13 | 4798113 |
| Base 14 | 35b6d14 | 35b8d14 |
| Base 15 | 28d3115 | 28d4e15 |
| Base 16 | 2009516 | 200b116 |