Compare 163 vs 164
| Property | 163 | 164 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 2 |
| Total factors | 1 | 3 |
| Prime factorization | 1631 | 22 × 411 |
| Prime factorization | 163 | 2 × 2 × 41 |
| Divisors count | 2 | 6 |
| Divisors | 1, 163 | 1, 2, 4, 41, 82, 164 |
| Number of properties | 7 | 0 |
| Cousin primes (1st member) | 13th | |
| Isolated primes | 15th | |
| Lucky primes | 12th | |
| Pierpont primes | 12th | |
| Primes | 38th | |
| Sexy primes (2nd member) | 22nd | |
| Sexy prime triplets (3rd member) | 12th | |
| Roman numberals | CLXIII | CLXIV |
| Base 2 | 101000112 | 101001002 |
| Base 3 | 200013 | 200023 |
| Base 4 | 22034 | 22104 |
| Base 5 | 11235 | 11245 |
| Base 6 | 4316 | 4326 |
| Base 7 | 3227 | 3237 |
| Base 8 | 2438 | 2448 |
| Base 9 | 2019 | 2029 |
| Base 10 | 16310 | 16410 |
| Base 11 | 13911 | 13a11 |
| Base 12 | 11712 | 11812 |
| Base 13 | c713 | c813 |
| Base 14 | b914 | ba14 |
| Base 15 | ad15 | ae15 |
| Base 16 | a316 | a416 |