Compare 131431 vs 131438
| Property | 131431 | 131438 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 1314311 | 21 × 657191 |
| Prime factorization | 131431 | 2 × 65719 |
| Divisors count | 2 | 4 |
| Divisors | 1, 131431 | 1, 2, 65719, 131438 |
| Number of properties | 8 | 1 |
| Additive primes | 5065th | |
| Good primes | 791st | |
| Harmonic primes | 4621st | |
| Isolated primes | 9222nd | |
| Lucky primes | 1608th | |
| Primes | 12277th | |
| Semiprimes | 30348th | |
| Sexy primes (1st member) | 3041st | |
| Super primes | 1468th | |
| Roman numberals | ||
| Base 2 | 1000000001011001112 | 1000000001011011102 |
| Base 3 | 202000212113 | 202000220023 |
| Base 4 | 2000112134 | 2000112324 |
| Base 5 | 132012115 | 132012235 |
| Base 6 | 24522516 | 24523026 |
| Base 7 | 10551167 | 10551267 |
| Base 8 | 4005478 | 4005568 |
| Base 9 | 2202549 | 2202629 |
| Base 10 | 13143110 | 13143810 |
| Base 11 | 8a82311 | 8a82a11 |
| Base 12 | 6408712 | 6409212 |
| Base 13 | 47a9113 | 47a9813 |
| Base 14 | 35c7d14 | 35c8614 |
| Base 15 | 28e2115 | 28e2815 |
| Base 16 | 2016716 | 2016e16 |