Compare 131111 vs 131221
| Property | 131111 | 131221 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1311111 | 1312211 |
| Prime factorization | 131111 | 131221 |
| Divisors count | 2 | 2 |
| Divisors | 1, 131111 | 1, 131221 |
| Number of properties | 5 | 4 |
| Chen primes | 5288th | |
| Emirps | 2494th | |
| Isolated primes | 9208th | |
| Multiplicative primes | 28th | |
| Primes | 12253rd | 12261st |
| Pythagorean primes | 6100th | |
| Super primes | 1465th | |
| Twin primes (1st member) | 1527th | |
| Roman numberals | ||
| Base 2 | 1000000000001001112 | 1000000000100101012 |
| Base 3 | 201222112223 | 202000000013 |
| Base 4 | 2000002134 | 2000021114 |
| Base 5 | 131434215 | 131443415 |
| Base 6 | 24505556 | 24513016 |
| Base 7 | 10541517 | 10543667 |
| Base 8 | 4000478 | 4002258 |
| Base 9 | 2187589 | 2200019 |
| Base 10 | 13111110 | 13122110 |
| Base 11 | 8a56211 | 8a65211 |
| Base 12 | 63a5b12 | 63b3112 |
| Base 13 | 478a613 | 4795c13 |
| Base 14 | 35ad114 | 35b6d14 |
| Base 15 | 28cab15 | 28d3115 |
| Base 16 | 2002716 | 2009516 |