Compare 137 vs 311
| Property | 137 | 311 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1371 | 3111 |
| Prime factorization | 137 | 311 |
| Divisors count | 2 | 2 |
| Divisors | 1, 137 | 1, 311 |
| Number of properties | 8 | 13 |
| Additive primes | 18th | 36th |
| Chen primes | 27th | 48th |
| Cousin primes (2nd member) | 18th | |
| Emirps | 16th | |
| Good primes | 23rd | |
| Harmonic primes | 26th | |
| Left-truncatable primes | 17th | |
| Multiplicative primes | 13th | |
| Primes | 33rd | 64th |
| Prime triplets (1st member) | 19th | |
| Prime triplets (2nd member) | 18th | |
| Pythagorean primes | 15th | |
| Right-truncatable primes | 17th | |
| Sexy primes (1st member) | 36th | |
| Sexy primes (2nd member) | 20th | |
| Solinas primes | 24th | |
| Twin primes (1st member) | 11th | 20th |
| Roman numberals | CXXXVII | CCCXI |
| Base 2 | 100010012 | 1001101112 |
| Base 3 | 120023 | 1021123 |
| Base 4 | 20214 | 103134 |
| Base 5 | 10225 | 22215 |
| Base 6 | 3456 | 12356 |
| Base 7 | 2547 | 6237 |
| Base 8 | 2118 | 4678 |
| Base 9 | 1629 | 3759 |
| Base 10 | 13710 | 31110 |
| Base 11 | 11511 | 26311 |
| Base 12 | b512 | 21b12 |
| Base 13 | a713 | 1ac13 |
| Base 14 | 9b14 | 18314 |
| Base 15 | 9215 | 15b15 |
| Base 16 | 8916 | 13716 |