Compare 839 vs 1019
| Property | 839 | 1019 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 8391 | 10191 |
| Prime factorization | 839 | 1019 |
| Divisors count | 2 | 2 |
| Divisors | 1, 839 | 1, 1019 |
| Number of properties | 4 | 9 |
| Additive primes | 91st | |
| Chen primes | 100th | 117th |
| Isolated primes | 81st | |
| Long primes | 61st | |
| Primes | 146th | 171st |
| Safe primes | 22nd | 26th |
| Sexy primes (2nd member) | 75th | |
| Solinas primes | 45th | |
| Sophie germain primes | 39th | |
| Twin primes (1st member) | 36th | |
| Roman numberals | DCCCXXXIX | MXIX |
| Base 2 | 11010001112 | 11111110112 |
| Base 3 | 10110023 | 11012023 |
| Base 4 | 310134 | 333234 |
| Base 5 | 113245 | 130345 |
| Base 6 | 35156 | 44156 |
| Base 7 | 23067 | 26547 |
| Base 8 | 15078 | 17738 |
| Base 9 | 11329 | 13529 |
| Base 10 | 83910 | 101910 |
| Base 11 | 6a311 | 84711 |
| Base 12 | 59b12 | 70b12 |
| Base 13 | 4c713 | 60513 |
| Base 14 | 43d14 | 52b14 |
| Base 15 | 3ae15 | 47e15 |
| Base 16 | 34716 | 3fb16 |