Compare 167 vs 178
| Property | 167 | 178 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 1671 | 21 × 891 |
| Prime factorization | 167 | 2 × 89 |
| Divisors count | 2 | 4 |
| Divisors | 1, 167 | 1, 2, 89, 178 |
| Number of properties | 11 | 1 |
| Chen primes | 31st | |
| Cousin primes (2nd member) | 13th | |
| Emirps | 13th | |
| Happy primes | 11th | |
| Isolated primes | 16th | |
| Left-truncatable primes | 18th | |
| Long primes | 14th | |
| Primes | 39th | |
| Safe primes | 9th | |
| Semiprimes | 58th | |
| Sexy primes (1st member) | 23rd | |
| Sexy prime triplets (1st member) | 13th | |
| Roman numberals | CLXVII | CLXXVIII |
| Base 2 | 101001112 | 101100102 |
| Base 3 | 200123 | 201213 |
| Base 4 | 22134 | 23024 |
| Base 5 | 11325 | 12035 |
| Base 6 | 4356 | 4546 |
| Base 7 | 3267 | 3437 |
| Base 8 | 2478 | 2628 |
| Base 9 | 2059 | 2179 |
| Base 10 | 16710 | 17810 |
| Base 11 | 14211 | 15211 |
| Base 12 | 11b12 | 12a12 |
| Base 13 | cb13 | 10913 |
| Base 14 | bd14 | ca14 |
| Base 15 | b215 | bd15 |
| Base 16 | a716 | b216 |