Compare 347 vs 839
| Property | 347 | 839 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 3471 | 8391 |
| Prime factorization | 347 | 839 |
| Divisors count | 2 | 2 |
| Divisors | 1, 347 | 1, 839 |
| Number of properties | 10 | 4 |
| Chen primes | 51st | 100th |
| Emirps | 18th | |
| Good primes | 25th | |
| Isolated primes | 81st | |
| Left-truncatable primes | 26th | |
| Primes | 69th | 146th |
| Prime triplets (1st member) | 20th | |
| Safe primes | 13th | 22nd |
| Sexy primes (1st member) | 38th | |
| Sexy prime triplets (1st member) | 18th | |
| Twin primes (1st member) | 21st | |
| Roman numberals | CCCXLVII | DCCCXXXIX |
| Base 2 | 1010110112 | 11010001112 |
| Base 3 | 1102123 | 10110023 |
| Base 4 | 111234 | 310134 |
| Base 5 | 23425 | 113245 |
| Base 6 | 13356 | 35156 |
| Base 7 | 10047 | 23067 |
| Base 8 | 5338 | 15078 |
| Base 9 | 4259 | 11329 |
| Base 10 | 34710 | 83910 |
| Base 11 | 29611 | 6a311 |
| Base 12 | 24b12 | 59b12 |
| Base 13 | 20913 | 4c713 |
| Base 14 | 1ab14 | 43d14 |
| Base 15 | 18215 | 3ae15 |
| Base 16 | 15b16 | 34716 |