Compare 51239 vs 51242
| Property | 51239 | 51242 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 512391 | 21 × 256211 |
| Prime factorization | 51239 | 2 × 25621 |
| Divisors count | 2 | 4 |
| Divisors | 1, 51239 | 1, 2, 25621, 51242 |
| Number of properties | 3 | 1 |
| Chen primes | 2442nd | |
| Primes | 5243rd | |
| Semiprimes | 12398th | |
| Twin primes (1st member) | 718th | |
| Roman numberals | ||
| Base 2 | 11001000001001112 | 11001000001010102 |
| Base 3 | 21210212023 | 21210212123 |
| Base 4 | 302002134 | 302002224 |
| Base 5 | 31144245 | 31144325 |
| Base 6 | 10331156 | 10331226 |
| Base 7 | 3022467 | 3022527 |
| Base 8 | 1440478 | 1440528 |
| Base 9 | 772529 | 772559 |
| Base 10 | 5123910 | 5124210 |
| Base 11 | 3555111 | 3555411 |
| Base 12 | 2579b12 | 257a212 |
| Base 13 | 1a42613 | 1a42913 |
| Base 14 | 1495d14 | 1496214 |
| Base 15 | 102ae15 | 102b215 |
| Base 16 | c82716 | c82a16 |