Compare 137 vs 142
Property | 137 | 142 |
---|---|---|
Type | prime | semiprime |
Unique factors | 1 | 2 |
Total factors | 1 | 2 |
Prime factorization | 1371 | 21 × 711 |
Prime factorization | 137 | 2 × 71 |
Divisors count | 2 | 4 |
Divisors | 1, 137 | 1, 2, 71, 142 |
Number of properties | 8 | 1 |
Additive primes | 18th | |
Chen primes | 27th | |
Left-truncatable primes | 17th | |
Primes | 33rd | |
Pythagorean primes | 15th | |
Semiprimes | 47th | |
Sexy primes (2nd member) | 20th | |
Solinas primes | 24th | |
Twin primes (1st member) | 11th | |
Roman numberals | CXXXVII | CXLII |
Base 2 | 100010012 | 100011102 |
Base 3 | 120023 | 120213 |
Base 4 | 20214 | 20324 |
Base 5 | 10225 | 10325 |
Base 6 | 3456 | 3546 |
Base 7 | 2547 | 2627 |
Base 8 | 2118 | 2168 |
Base 9 | 1629 | 1679 |
Base 10 | 13710 | 14210 |
Base 11 | 11511 | 11a11 |
Base 12 | b512 | ba12 |
Base 13 | a713 | ac13 |
Base 14 | 9b14 | a214 |
Base 15 | 9215 | 9715 |
Base 16 | 8916 | 8e16 |