Compare 149 vs 419
| Property | 149 | 419 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1491 | 4191 |
| Prime factorization | 149 | 419 |
| Divisors count | 2 | 2 |
| Divisors | 1, 149 | 1, 419 |
| Number of properties | 8 | 6 |
| Chen primes | 29th | 58th |
| Emirps | 11th | |
| Good primes | 14th | 26th |
| Harmonic primes | 12th | |
| Long primes | 13th | 30th |
| Primes | 35th | 81st |
| Pythagorean primes | 16th | |
| Sophie germain primes | 22nd | |
| Twin primes (1st member) | 12th | 22nd |
| Roman numberals | CXLIX | CDXIX |
| Base 2 | 100101012 | 1101000112 |
| Base 3 | 121123 | 1201123 |
| Base 4 | 21114 | 122034 |
| Base 5 | 10445 | 31345 |
| Base 6 | 4056 | 15356 |
| Base 7 | 3027 | 11367 |
| Base 8 | 2258 | 6438 |
| Base 9 | 1759 | 5159 |
| Base 10 | 14910 | 41910 |
| Base 11 | 12611 | 35111 |
| Base 12 | 10512 | 2ab12 |
| Base 13 | b613 | 26313 |
| Base 14 | a914 | 21d14 |
| Base 15 | 9e15 | 1ce15 |
| Base 16 | 9516 | 1a316 |