Compare 133 vs 137
| Property | 133 | 137 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 71 × 191 | 1371 |
| Prime factorization | 7 × 19 | 137 |
| Divisors count | 4 | 2 |
| Divisors | 1, 7, 19, 133 | 1, 137 |
| Number of properties | 1 | 8 |
| Additive primes | 18th | |
| Chen primes | 27th | |
| Left-truncatable primes | 17th | |
| Primes | 33rd | |
| Pythagorean primes | 15th | |
| Semiprimes | 44th | |
| Sexy primes (2nd member) | 20th | |
| Solinas primes | 24th | |
| Twin primes (1st member) | 11th | |
| Roman numberals | CXXXIII | CXXXVII |
| Base 2 | 100001012 | 100010012 |
| Base 3 | 112213 | 120023 |
| Base 4 | 20114 | 20214 |
| Base 5 | 10135 | 10225 |
| Base 6 | 3416 | 3456 |
| Base 7 | 2507 | 2547 |
| Base 8 | 2058 | 2118 |
| Base 9 | 1579 | 1629 |
| Base 10 | 13310 | 13710 |
| Base 11 | 11111 | 11511 |
| Base 12 | b112 | b512 |
| Base 13 | a313 | a713 |
| Base 14 | 9714 | 9b14 |
| Base 15 | 8d15 | 9215 |
| Base 16 | 8516 | 8916 |