Compare 51278 vs 51283
| Property | 51278 | 51283 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 21 × 256391 | 512831 |
| Prime factorization | 2 × 25639 | 51283 |
| Divisors count | 4 | 2 |
| Divisors | 1, 2, 25639, 51278 | 1, 51283 |
| Number of properties | 1 | 7 |
| Additive primes | 2303rd | |
| Cousin primes (1st member) | 710th | |
| Happy primes | 853rd | |
| Isolated primes | 3812th | |
| Left-truncatable primes | 228th | |
| Lucky primes | 749th | |
| Primes | 5247th | |
| Semiprimes | 12407th | |
| Roman numberals | ||
| Base 2 | 11001000010011102 | 11001000010100112 |
| Base 3 | 21211000123 | 21211001013 |
| Base 4 | 302010324 | 302011034 |
| Base 5 | 31201035 | 31201135 |
| Base 6 | 10332226 | 10332316 |
| Base 7 | 3023337 | 3023417 |
| Base 8 | 1441168 | 1441238 |
| Base 9 | 773059 | 773119 |
| Base 10 | 5127810 | 5128310 |
| Base 11 | 3558711 | 3559111 |
| Base 12 | 2581212 | 2581712 |
| Base 13 | 1a45613 | 1a45b13 |
| Base 14 | 1498a14 | 1499114 |
| Base 15 | 102d815 | 102dd15 |
| Base 16 | c84e16 | c85316 |