Compare 51257 vs 51261
| Property | 51257 | 51261 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 512571 | 31 × 71 × 24411 |
| Prime factorization | 51257 | 3 × 7 × 2441 |
| Divisors count | 2 | 8 |
| Divisors | 1, 51257 | 1, 3, 7, 21, 2441, 7323, 17087, 51261 |
| Number of properties | 8 | 0 |
| Chen primes | 2443rd | |
| Harmonic primes | 1955th | |
| Isolated primes | 3810th | |
| Long primes | 1993rd | |
| Primes | 5245th | |
| Pythagorean primes | 2605th | |
| Sexy primes (1st member) | 1443rd | |
| Ulam primes | 388th | |
| Roman numberals | ||
| Base 2 | 11001000001110012 | 11001000001111012 |
| Base 3 | 21210221023 | 21210221203 |
| Base 4 | 302003214 | 302003314 |
| Base 5 | 31200125 | 31200215 |
| Base 6 | 10331456 | 10331536 |
| Base 7 | 3023037 | 3023107 |
| Base 8 | 1440718 | 1440758 |
| Base 9 | 772729 | 772769 |
| Base 10 | 5125710 | 5126110 |
| Base 11 | 3556811 | 3557111 |
| Base 12 | 257b512 | 257b912 |
| Base 13 | 1a43b13 | 1a44213 |
| Base 14 | 1497314 | 1497714 |
| Base 15 | 102c215 | 102c615 |
| Base 16 | c83916 | c83d16 |