Compare 42839 vs 42851
| Property | 42839 | 42851 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 428391 | 731 × 5871 |
| Prime factorization | 42839 | 73 × 587 |
| Divisors count | 2 | 4 |
| Divisors | 1, 42839 | 1, 73, 587, 42851 |
| Number of properties | 4 | 1 |
| Chen primes | 2097th | |
| Primes | 4479th | |
| Safe primes | 349th | |
| Semiprimes | 10428th | |
| Twin primes (1st member) | 622nd | |
| Roman numberals | ||
| Base 2 | 10100111010101112 | 10100111011000112 |
| Base 3 | 20112021223 | 20112100023 |
| Base 4 | 221311134 | 221312034 |
| Base 5 | 23323245 | 23324015 |
| Base 6 | 5301556 | 5302156 |
| Base 7 | 2356167 | 2356347 |
| Base 8 | 1235278 | 1235438 |
| Base 9 | 646789 | 647029 |
| Base 10 | 4283910 | 4285110 |
| Base 11 | 2a20511 | 2a21611 |
| Base 12 | 2095b12 | 2096b12 |
| Base 13 | 1666413 | 1667313 |
| Base 14 | 1187d14 | 1188b14 |
| Base 15 | ca5e15 | ca6b15 |
| Base 16 | a75716 | a76316 |