Compare 137 vs 147
| Property | 137 | 147 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 2 |
| Total factors | 1 | 3 |
| Prime factorization | 1371 | 31 × 72 |
| Prime factorization | 137 | 3 × 7 × 7 |
| Divisors count | 2 | 6 |
| Divisors | 1, 137 | 1, 3, 7, 21, 49, 147 |
| Number of properties | 8 | 0 |
| Additive primes | 18th | |
| Chen primes | 27th | |
| Left-truncatable primes | 17th | |
| Primes | 33rd | |
| Pythagorean primes | 15th | |
| Sexy primes (2nd member) | 20th | |
| Solinas primes | 24th | |
| Twin primes (1st member) | 11th | |
| Roman numberals | CXXXVII | CXLVII |
| Base 2 | 100010012 | 100100112 |
| Base 3 | 120023 | 121103 |
| Base 4 | 20214 | 21034 |
| Base 5 | 10225 | 10425 |
| Base 6 | 3456 | 4036 |
| Base 7 | 2547 | 3007 |
| Base 8 | 2118 | 2238 |
| Base 9 | 1629 | 1739 |
| Base 10 | 13710 | 14710 |
| Base 11 | 11511 | 12411 |
| Base 12 | b512 | 10312 |
| Base 13 | a713 | b413 |
| Base 14 | 9b14 | a714 |
| Base 15 | 9215 | 9c15 |
| Base 16 | 8916 | 9316 |