Compare 137 vs 139
| Property | 137 | 139 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1371 | 1391 |
| Prime factorization | 137 | 139 |
| Divisors count | 2 | 2 |
| Divisors | 1, 137 | 1, 139 |
| Number of properties | 8 | 6 |
| Additive primes | 18th | 19th |
| Chen primes | 27th | 28th |
| Happy primes | 10th | |
| Harmonic primes | 11th | |
| Left-truncatable primes | 17th | |
| Primes | 33rd | 34th |
| Pythagorean primes | 15th | |
| Sexy primes (2nd member) | 20th | |
| Solinas primes | 24th | |
| Twin primes (1st member) | 11th | |
| Twin primes (2nd member) | 11th | |
| Roman numberals | CXXXVII | CXXXIX |
| Base 2 | 100010012 | 100010112 |
| Base 3 | 120023 | 120113 |
| Base 4 | 20214 | 20234 |
| Base 5 | 10225 | 10245 |
| Base 6 | 3456 | 3516 |
| Base 7 | 2547 | 2567 |
| Base 8 | 2118 | 2138 |
| Base 9 | 1629 | 1649 |
| Base 10 | 13710 | 13910 |
| Base 11 | 11511 | 11711 |
| Base 12 | b512 | b712 |
| Base 13 | a713 | a913 |
| Base 14 | 9b14 | 9d14 |
| Base 15 | 9215 | 9415 |
| Base 16 | 8916 | 8b16 |