Compare 137 vs 479
| Property | 137 | 479 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1371 | 4791 |
| Prime factorization | 137 | 479 |
| Divisors count | 2 | 2 |
| Divisors | 1, 137 | 1, 479 |
| Number of properties | 8 | 6 |
| Additive primes | 18th | |
| Chen primes | 27th | 64th |
| Harmonic primes | 36th | |
| Isolated primes | 45th | |
| Left-truncatable primes | 17th | |
| Primes | 33rd | 92nd |
| Pythagorean primes | 15th | |
| Safe primes | 17th | |
| Sexy primes (2nd member) | 20th | |
| Solinas primes | 24th | 36th |
| Twin primes (1st member) | 11th | |
| Roman numberals | CXXXVII | CDLXXIX |
| Base 2 | 100010012 | 1110111112 |
| Base 3 | 120023 | 1222023 |
| Base 4 | 20214 | 131334 |
| Base 5 | 10225 | 34045 |
| Base 6 | 3456 | 21156 |
| Base 7 | 2547 | 12537 |
| Base 8 | 2118 | 7378 |
| Base 9 | 1629 | 5829 |
| Base 10 | 13710 | 47910 |
| Base 11 | 11511 | 3a611 |
| Base 12 | b512 | 33b12 |
| Base 13 | a713 | 2ab13 |
| Base 14 | 9b14 | 26314 |
| Base 15 | 9215 | 21e15 |
| Base 16 | 8916 | 1df16 |