Compare 839 vs 849
| Property | 839 | 849 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 8391 | 31 × 2831 |
| Prime factorization | 839 | 3 × 283 |
| Divisors count | 2 | 4 |
| Divisors | 1, 839 | 1, 3, 283, 849 |
| Number of properties | 4 | 1 |
| Chen primes | 100th | |
| Isolated primes | 81st | |
| Primes | 146th | |
| Safe primes | 22nd | |
| Semiprimes | 256th | |
| Roman numberals | DCCCXXXIX | DCCCXLIX |
| Base 2 | 11010001112 | 11010100012 |
| Base 3 | 10110023 | 10111103 |
| Base 4 | 310134 | 311014 |
| Base 5 | 113245 | 113445 |
| Base 6 | 35156 | 35336 |
| Base 7 | 23067 | 23227 |
| Base 8 | 15078 | 15218 |
| Base 9 | 11329 | 11439 |
| Base 10 | 83910 | 84910 |
| Base 11 | 6a311 | 70211 |
| Base 12 | 59b12 | 5a912 |
| Base 13 | 4c713 | 50413 |
| Base 14 | 43d14 | 44914 |
| Base 15 | 3ae15 | 3b915 |
| Base 16 | 34716 | 35116 |