Compare 131231 vs 131239
| Property | 131231 | 131239 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 1312311 | 371 × 35471 |
| Prime factorization | 131231 | 37 × 3547 |
| Divisors count | 2 | 4 |
| Divisors | 1, 131231 | 1, 37, 3547, 131239 |
| Number of properties | 4 | 1 |
| Additive primes | 5056th | |
| Chen primes | 5290th | |
| Isolated primes | 9209th | |
| Primes | 12262nd | |
| Semiprimes | 30297th | |
| Roman numberals | ||
| Base 2 | 1000000000100111112 | 1000000000101001112 |
| Base 3 | 202000001023 | 202000002013 |
| Base 4 | 2000021334 | 2000022134 |
| Base 5 | 131444115 | 131444245 |
| Base 6 | 24513156 | 24513316 |
| Base 7 | 10544127 | 10544237 |
| Base 8 | 4002378 | 4002478 |
| Base 9 | 2200129 | 2200219 |
| Base 10 | 13123110 | 13123910 |
| Base 11 | 8a66111 | 8a66911 |
| Base 12 | 63b3b12 | 63b4712 |
| Base 13 | 4796913 | 4797413 |
| Base 14 | 35b7914 | 35b8314 |
| Base 15 | 28d3b15 | 28d4415 |
| Base 16 | 2009f16 | 200a716 |