Compare 137 vs 223
| Property | 137 | 223 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1371 | 2231 |
| Prime factorization | 137 | 223 |
| Divisors count | 2 | 2 |
| Divisors | 1, 137 | 1, 223 |
| Number of properties | 8 | 13 |
| Additive primes | 18th | 28th |
| Carol primes | 3rd | |
| Chen primes | 27th | |
| Cousin primes (1st member) | 15th | |
| Good primes | 17th | |
| Harmonic primes | 17th | |
| Isolated primes | 19th | |
| Left-truncatable primes | 17th | 21st |
| Long primes | 18th | |
| Lucky primes | 15th | |
| Primes | 33rd | 48th |
| Prime triplets (1st member) | 15th | |
| Pythagorean primes | 15th | |
| Sexy primes (1st member) | 27th | |
| Sexy primes (2nd member) | 20th | |
| Solinas primes | 24th | 27th |
| Twin primes (1st member) | 11th | |
| Roman numberals | CXXXVII | CCXXIII |
| Base 2 | 100010012 | 110111112 |
| Base 3 | 120023 | 220213 |
| Base 4 | 20214 | 31334 |
| Base 5 | 10225 | 13435 |
| Base 6 | 3456 | 10116 |
| Base 7 | 2547 | 4367 |
| Base 8 | 2118 | 3378 |
| Base 9 | 1629 | 2679 |
| Base 10 | 13710 | 22310 |
| Base 11 | 11511 | 19311 |
| Base 12 | b512 | 16712 |
| Base 13 | a713 | 14213 |
| Base 14 | 9b14 | 11d14 |
| Base 15 | 9215 | ed15 |
| Base 16 | 8916 | df16 |