Compare 42839 vs 42842
| Property | 42839 | 42842 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 428391 | 21 × 311 × 6911 |
| Prime factorization | 42839 | 2 × 31 × 691 |
| Divisors count | 2 | 8 |
| Divisors | 1, 42839 | 1, 2, 31, 62, 691, 1382, 21421, 42842 |
| Number of properties | 4 | 0 |
| Chen primes | 2097th | |
| Primes | 4479th | |
| Safe primes | 349th | |
| Twin primes (1st member) | 622nd | |
| Roman numberals | ||
| Base 2 | 10100111010101112 | 10100111010110102 |
| Base 3 | 20112021223 | 20112022023 |
| Base 4 | 221311134 | 221311224 |
| Base 5 | 23323245 | 23323325 |
| Base 6 | 5301556 | 5302026 |
| Base 7 | 2356167 | 2356227 |
| Base 8 | 1235278 | 1235328 |
| Base 9 | 646789 | 646829 |
| Base 10 | 4283910 | 4284210 |
| Base 11 | 2a20511 | 2a20811 |
| Base 12 | 2095b12 | 2096212 |
| Base 13 | 1666413 | 1666713 |
| Base 14 | 1187d14 | 1188214 |
| Base 15 | ca5e15 | ca6215 |
| Base 16 | a75716 | a75a16 |