Compare 137 vs 149
| Property | 137 | 149 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1371 | 1491 |
| Prime factorization | 137 | 149 |
| Divisors count | 2 | 2 |
| Divisors | 1, 137 | 1, 149 |
| Number of properties | 8 | 8 |
| Additive primes | 18th | |
| Chen primes | 27th | 29th |
| Emirps | 11th | |
| Good primes | 14th | |
| Harmonic primes | 12th | |
| Left-truncatable primes | 17th | |
| Long primes | 13th | |
| Primes | 33rd | 35th |
| Pythagorean primes | 15th | 16th |
| Sexy primes (2nd member) | 20th | |
| Solinas primes | 24th | |
| Twin primes (1st member) | 11th | 12th |
| Roman numberals | CXXXVII | CXLIX |
| Base 2 | 100010012 | 100101012 |
| Base 3 | 120023 | 121123 |
| Base 4 | 20214 | 21114 |
| Base 5 | 10225 | 10445 |
| Base 6 | 3456 | 4056 |
| Base 7 | 2547 | 3027 |
| Base 8 | 2118 | 2258 |
| Base 9 | 1629 | 1759 |
| Base 10 | 13710 | 14910 |
| Base 11 | 11511 | 12611 |
| Base 12 | b512 | 10512 |
| Base 13 | a713 | b613 |
| Base 14 | 9b14 | a914 |
| Base 15 | 9215 | 9e15 |
| Base 16 | 8916 | 9516 |