Compare 163 vs 397
| Property | 163 | 397 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1631 | 3971 |
| Prime factorization | 163 | 397 |
| Divisors count | 2 | 2 |
| Divisors | 1, 163 | 1, 397 |
| Number of properties | 7 | 8 |
| Additive primes | 45th | |
| Cousin primes (1st member) | 13th | 22nd |
| Cuban primes 1 | 8th | |
| Happy primes | 21st | |
| Isolated primes | 15th | 37th |
| Left-truncatable primes | 31st | |
| Lucky primes | 12th | |
| Pierpont primes | 12th | |
| Primes | 38th | 78th |
| Pythagorean primes | 37th | |
| Sexy primes (2nd member) | 22nd | |
| Sexy prime triplets (3rd member) | 12th | |
| Roman numberals | CLXIII | CCCXCVII |
| Base 2 | 101000112 | 1100011012 |
| Base 3 | 200013 | 1122013 |
| Base 4 | 22034 | 120314 |
| Base 5 | 11235 | 30425 |
| Base 6 | 4316 | 15016 |
| Base 7 | 3227 | 11057 |
| Base 8 | 2438 | 6158 |
| Base 9 | 2019 | 4819 |
| Base 10 | 16310 | 39710 |
| Base 11 | 13911 | 33111 |
| Base 12 | 11712 | 29112 |
| Base 13 | c713 | 24713 |
| Base 14 | b914 | 20514 |
| Base 15 | ad15 | 1b715 |
| Base 16 | a316 | 18d16 |