Compare 131221 vs 131477
| Property | 131221 | 131477 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1312211 | 1314771 |
| Prime factorization | 131221 | 131477 |
| Divisors count | 2 | 2 |
| Divisors | 1, 131221 | 1, 131477 |
| Number of properties | 4 | 6 |
| Additive primes | 5067th | |
| Chen primes | 5299th | |
| Emirps | 2494th | 2499th |
| Isolated primes | 9208th | |
| Primes | 12261st | 12282nd |
| Pythagorean primes | 6100th | 6112th |
| Twin primes (1st member) | 1530th | |
| Roman numberals | ||
| Base 2 | 1000000000100101012 | 1000000001100101012 |
| Base 3 | 202000000013 | 202001001123 |
| Base 4 | 2000021114 | 2000121114 |
| Base 5 | 131443415 | 132014025 |
| Base 6 | 24513016 | 24524056 |
| Base 7 | 10543667 | 10552137 |
| Base 8 | 4002258 | 4006258 |
| Base 9 | 2200019 | 2203159 |
| Base 10 | 13122110 | 13147710 |
| Base 11 | 8a65211 | 8a86511 |
| Base 12 | 63b3112 | 6410512 |
| Base 13 | 4795c13 | 47ac813 |
| Base 14 | 35b6d14 | 35cb314 |
| Base 15 | 28d3115 | 28e5215 |
| Base 16 | 2009516 | 2019516 |