Compare 131231 vs 131431
| Property | 131231 | 131431 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1312311 | 1314311 |
| Prime factorization | 131231 | 131431 |
| Divisors count | 2 | 2 |
| Divisors | 1, 131231 | 1, 131431 |
| Number of properties | 4 | 8 |
| Additive primes | 5056th | 5065th |
| Chen primes | 5290th | |
| Good primes | 791st | |
| Harmonic primes | 4621st | |
| Isolated primes | 9209th | 9222nd |
| Lucky primes | 1608th | |
| Primes | 12262nd | 12277th |
| Sexy primes (1st member) | 3041st | |
| Super primes | 1468th | |
| Roman numberals | ||
| Base 2 | 1000000000100111112 | 1000000001011001112 |
| Base 3 | 202000001023 | 202000212113 |
| Base 4 | 2000021334 | 2000112134 |
| Base 5 | 131444115 | 132012115 |
| Base 6 | 24513156 | 24522516 |
| Base 7 | 10544127 | 10551167 |
| Base 8 | 4002378 | 4005478 |
| Base 9 | 2200129 | 2202549 |
| Base 10 | 13123110 | 13143110 |
| Base 11 | 8a66111 | 8a82311 |
| Base 12 | 63b3b12 | 6408712 |
| Base 13 | 4796913 | 47a9113 |
| Base 14 | 35b7914 | 35c7d14 |
| Base 15 | 28d3b15 | 28e2115 |
| Base 16 | 2009f16 | 2016716 |