Compare 163 vs 169
| Property | 163 | 169 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 2 |
| Prime factorization | 1631 | 132 |
| Prime factorization | 163 | 13 × 13 |
| Divisors count | 2 | 3 |
| Divisors | 1, 163 | 1, 13, 169 |
| Number of properties | 7 | 1 |
| Cousin primes (1st member) | 13th | |
| Isolated primes | 15th | |
| Lucky primes | 12th | |
| Pierpont primes | 12th | |
| Primes | 38th | |
| Semiprimes | 56th | |
| Sexy primes (2nd member) | 22nd | |
| Sexy prime triplets (3rd member) | 12th | |
| Roman numberals | CLXIII | CLXIX |
| Base 2 | 101000112 | 101010012 |
| Base 3 | 200013 | 200213 |
| Base 4 | 22034 | 22214 |
| Base 5 | 11235 | 11345 |
| Base 6 | 4316 | 4416 |
| Base 7 | 3227 | 3317 |
| Base 8 | 2438 | 2518 |
| Base 9 | 2019 | 2079 |
| Base 10 | 16310 | 16910 |
| Base 11 | 13911 | 14411 |
| Base 12 | 11712 | 12112 |
| Base 13 | c713 | 10013 |
| Base 14 | b914 | c114 |
| Base 15 | ad15 | b415 |
| Base 16 | a316 | a916 |