Compare 149 vs 155
Property | 149 | 155 |
---|---|---|
Type | prime | semiprime |
Unique factors | 1 | 2 |
Total factors | 1 | 2 |
Prime factorization | 1491 | 51 × 311 |
Prime factorization | 149 | 5 × 31 |
Divisors count | 2 | 4 |
Divisors | 1, 149 | 1, 5, 31, 155 |
Number of properties | 8 | 1 |
Chen primes | 29th | |
Emirps | 11th | |
Good primes | 14th | |
Harmonic primes | 12th | |
Long primes | 13th | |
Primes | 35th | |
Pythagorean primes | 16th | |
Semiprimes | 51st | |
Twin primes (1st member) | 12th | |
Roman numberals | CXLIX | CLV |
Base 2 | 100101012 | 100110112 |
Base 3 | 121123 | 122023 |
Base 4 | 21114 | 21234 |
Base 5 | 10445 | 11105 |
Base 6 | 4056 | 4156 |
Base 7 | 3027 | 3117 |
Base 8 | 2258 | 2338 |
Base 9 | 1759 | 1829 |
Base 10 | 14910 | 15510 |
Base 11 | 12611 | 13111 |
Base 12 | 10512 | 10b12 |
Base 13 | b613 | bc13 |
Base 14 | a914 | b114 |
Base 15 | 9e15 | a515 |
Base 16 | 9516 | 9b16 |