Compare 51257 vs 51266
| Property | 51257 | 51266 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 512571 | 21 × 256331 |
| Prime factorization | 51257 | 2 × 25633 |
| Divisors count | 2 | 4 |
| Divisors | 1, 51257 | 1, 2, 25633, 51266 |
| Number of properties | 8 | 1 |
| Chen primes | 2443rd | |
| Harmonic primes | 1955th | |
| Isolated primes | 3810th | |
| Long primes | 1993rd | |
| Primes | 5245th | |
| Pythagorean primes | 2605th | |
| Semiprimes | 12404th | |
| Sexy primes (1st member) | 1443rd | |
| Ulam primes | 388th | |
| Roman numberals | ||
| Base 2 | 11001000001110012 | 11001000010000102 |
| Base 3 | 21210221023 | 21210222023 |
| Base 4 | 302003214 | 302010024 |
| Base 5 | 31200125 | 31200315 |
| Base 6 | 10331456 | 10332026 |
| Base 7 | 3023037 | 3023157 |
| Base 8 | 1440718 | 1441028 |
| Base 9 | 772729 | 772829 |
| Base 10 | 5125710 | 5126610 |
| Base 11 | 3556811 | 3557611 |
| Base 12 | 257b512 | 2580212 |
| Base 13 | 1a43b13 | 1a44713 |
| Base 14 | 1497314 | 1497c14 |
| Base 15 | 102c215 | 102cb15 |
| Base 16 | c83916 | c84216 |