Compare 137 vs 197
| Property | 137 | 197 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1371 | 1971 |
| Prime factorization | 137 | 197 |
| Divisors count | 2 | 2 |
| Divisors | 1, 137 | 1, 197 |
| Number of properties | 8 | 13 |
| Additive primes | 18th | 26th |
| Centered heptagonal primes | 3rd | |
| Chen primes | 27th | 35th |
| Cousin primes (2nd member) | 14th | |
| Left-truncatable primes | 17th | 20th |
| Primes | 33rd | 45th |
| Prime quadruplets (3rd member) | 4th | |
| Prime triplets (2nd member) | 14th | |
| Prime triplets (3rd member) | 13th | |
| Pythagorean primes | 15th | 21st |
| Sexy primes (2nd member) | 20th | 25th |
| Solinas primes | 24th | |
| Twin primes (1st member) | 11th | 15th |
| Ulam primes | 9th | |
| Roman numberals | CXXXVII | CXCVII |
| Base 2 | 100010012 | 110001012 |
| Base 3 | 120023 | 210223 |
| Base 4 | 20214 | 30114 |
| Base 5 | 10225 | 12425 |
| Base 6 | 3456 | 5256 |
| Base 7 | 2547 | 4017 |
| Base 8 | 2118 | 3058 |
| Base 9 | 1629 | 2389 |
| Base 10 | 13710 | 19710 |
| Base 11 | 11511 | 16a11 |
| Base 12 | b512 | 14512 |
| Base 13 | a713 | 12213 |
| Base 14 | 9b14 | 10114 |
| Base 15 | 9215 | d215 |
| Base 16 | 8916 | c516 |