Compare 149 vs 149
| Property | 149 | 149 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1491 | 1491 |
| Prime factorization | 149 | 149 |
| Divisors count | 2 | 2 |
| Divisors | 1, 149 | 1, 149 |
| Number of properties | 8 | 8 |
| Chen primes | 29th | 29th |
| Emirps | 11th | 11th |
| Good primes | 14th | 14th |
| Harmonic primes | 12th | 12th |
| Long primes | 13th | 13th |
| Primes | 35th | 35th |
| Pythagorean primes | 16th | 16th |
| Twin primes (1st member) | 12th | 12th |
| Roman numberals | CXLIX | CXLIX |
| Base 2 | 100101012 | 100101012 |
| Base 3 | 121123 | 121123 |
| Base 4 | 21114 | 21114 |
| Base 5 | 10445 | 10445 |
| Base 6 | 4056 | 4056 |
| Base 7 | 3027 | 3027 |
| Base 8 | 2258 | 2258 |
| Base 9 | 1759 | 1759 |
| Base 10 | 14910 | 14910 |
| Base 11 | 12611 | 12611 |
| Base 12 | 10512 | 10512 |
| Base 13 | b613 | b613 |
| Base 14 | a914 | a914 |
| Base 15 | 9e15 | 9e15 |
| Base 16 | 9516 | 9516 |