Compare 149 vs 167
| Property | 149 | 167 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1491 | 1671 |
| Prime factorization | 149 | 167 |
| Divisors count | 2 | 2 |
| Divisors | 1, 149 | 1, 167 |
| Number of properties | 8 | 11 |
| Chen primes | 29th | 31st |
| Cousin primes (2nd member) | 13th | |
| Emirps | 11th | 13th |
| Good primes | 14th | |
| Happy primes | 11th | |
| Harmonic primes | 12th | |
| Isolated primes | 16th | |
| Left-truncatable primes | 18th | |
| Long primes | 13th | 14th |
| Primes | 35th | 39th |
| Pythagorean primes | 16th | |
| Safe primes | 9th | |
| Sexy primes (1st member) | 23rd | |
| Sexy prime triplets (1st member) | 13th | |
| Twin primes (1st member) | 12th | |
| Roman numberals | CXLIX | CLXVII |
| Base 2 | 100101012 | 101001112 |
| Base 3 | 121123 | 200123 |
| Base 4 | 21114 | 22134 |
| Base 5 | 10445 | 11325 |
| Base 6 | 4056 | 4356 |
| Base 7 | 3027 | 3267 |
| Base 8 | 2258 | 2478 |
| Base 9 | 1759 | 2059 |
| Base 10 | 14910 | 16710 |
| Base 11 | 12611 | 14211 |
| Base 12 | 10512 | 11b12 |
| Base 13 | b613 | cb13 |
| Base 14 | a914 | bd14 |
| Base 15 | 9e15 | b215 |
| Base 16 | 9516 | a716 |