Compare 131009 vs 131221
| Property | 131009 | 131221 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1310091 | 1312211 |
| Prime factorization | 131009 | 131221 |
| Divisors count | 2 | 2 |
| Divisors | 1, 131009 | 1, 131221 |
| Number of properties | 5 | 4 |
| Chen primes | 5286th | |
| Emirps | 2494th | |
| Isolated primes | 9208th | |
| Primes | 12245th | 12261st |
| Pythagorean primes | 6093rd | 6100th |
| Solinas primes | 116th | |
| Twin primes (1st member) | 1526th | |
| Roman numberals | ||
| Base 2 | 111111111110000012 | 1000000000100101012 |
| Base 3 | 201222010123 | 202000000013 |
| Base 4 | 1333330014 | 2000021114 |
| Base 5 | 131430145 | 131443415 |
| Base 6 | 24503056 | 24513016 |
| Base 7 | 10536447 | 10543667 |
| Base 8 | 3777018 | 4002258 |
| Base 9 | 2186359 | 2200019 |
| Base 10 | 13100910 | 13122110 |
| Base 11 | 8a47a11 | 8a65211 |
| Base 12 | 6399512 | 63b3112 |
| Base 13 | 4782813 | 4795c13 |
| Base 14 | 35a5b14 | 35b6d14 |
| Base 15 | 28c3e15 | 28d3115 |
| Base 16 | 1ffc116 | 2009516 |