Compare 137 vs 347
| Property | 137 | 347 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1371 | 3471 |
| Prime factorization | 137 | 347 |
| Divisors count | 2 | 2 |
| Divisors | 1, 137 | 1, 347 |
| Number of properties | 8 | 10 |
| Additive primes | 18th | |
| Chen primes | 27th | 51st |
| Emirps | 18th | |
| Good primes | 25th | |
| Left-truncatable primes | 17th | 26th |
| Primes | 33rd | 69th |
| Prime triplets (1st member) | 20th | |
| Pythagorean primes | 15th | |
| Safe primes | 13th | |
| Sexy primes (1st member) | 38th | |
| Sexy primes (2nd member) | 20th | |
| Sexy prime triplets (1st member) | 18th | |
| Solinas primes | 24th | |
| Twin primes (1st member) | 11th | 21st |
| Roman numberals | CXXXVII | CCCXLVII |
| Base 2 | 100010012 | 1010110112 |
| Base 3 | 120023 | 1102123 |
| Base 4 | 20214 | 111234 |
| Base 5 | 10225 | 23425 |
| Base 6 | 3456 | 13356 |
| Base 7 | 2547 | 10047 |
| Base 8 | 2118 | 5338 |
| Base 9 | 1629 | 4259 |
| Base 10 | 13710 | 34710 |
| Base 11 | 11511 | 29611 |
| Base 12 | b512 | 24b12 |
| Base 13 | a713 | 20913 |
| Base 14 | 9b14 | 1ab14 |
| Base 15 | 9215 | 18215 |
| Base 16 | 8916 | 15b16 |