Compare 131231 vs 131243
| Property | 131231 | 131243 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 1312311 | 71 × 187491 |
| Prime factorization | 131231 | 7 × 18749 |
| Divisors count | 2 | 4 |
| Divisors | 1, 131231 | 1, 7, 18749, 131243 |
| Number of properties | 4 | 1 |
| Additive primes | 5056th | |
| Chen primes | 5290th | |
| Isolated primes | 9209th | |
| Primes | 12262nd | |
| Semiprimes | 30298th | |
| Roman numberals | ||
| Base 2 | 1000000000100111112 | 1000000000101010112 |
| Base 3 | 202000001023 | 202000002123 |
| Base 4 | 2000021334 | 2000022234 |
| Base 5 | 131444115 | 131444335 |
| Base 6 | 24513156 | 24513356 |
| Base 7 | 10544127 | 10544307 |
| Base 8 | 4002378 | 4002538 |
| Base 9 | 2200129 | 2200259 |
| Base 10 | 13123110 | 13124310 |
| Base 11 | 8a66111 | 8a67211 |
| Base 12 | 63b3b12 | 63b4b12 |
| Base 13 | 4796913 | 4797813 |
| Base 14 | 35b7914 | 35b8714 |
| Base 15 | 28d3b15 | 28d4815 |
| Base 16 | 2009f16 | 200ab16 |