Compare 51287 vs 51289
| Property | 51287 | 51289 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 512871 | 71 × 171 × 4311 |
| Prime factorization | 51287 | 7 × 17 × 431 |
| Divisors count | 2 | 8 |
| Divisors | 1, 51287 | 1, 7, 17, 119, 431, 3017, 7327, 51289 |
| Number of properties | 7 | 0 |
| Additive primes | 2304th | |
| Cousin primes (2nd member) | 710th | |
| Harmonic primes | 1957th | |
| Isolated primes | 3813th | |
| Long primes | 1995th | |
| Primes | 5248th | |
| Safe primes | 396th | |
| Roman numberals | ||
| Base 2 | 11001000010101112 | 11001000010110012 |
| Base 3 | 21211001123 | 21211001213 |
| Base 4 | 302011134 | 302011214 |
| Base 5 | 31201225 | 31201245 |
| Base 6 | 10332356 | 10332416 |
| Base 7 | 3023457 | 3023507 |
| Base 8 | 1441278 | 1441318 |
| Base 9 | 773159 | 773179 |
| Base 10 | 5128710 | 5128910 |
| Base 11 | 3559511 | 3559711 |
| Base 12 | 2581b12 | 2582112 |
| Base 13 | 1a46213 | 1a46413 |
| Base 14 | 1499514 | 1499714 |
| Base 15 | 102e215 | 102e415 |
| Base 16 | c85716 | c85916 |