Compare 163 vs 409
| Property | 163 | 409 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1631 | 4091 |
| Prime factorization | 163 | 409 |
| Divisors count | 2 | 2 |
| Divisors | 1, 163 | 1, 409 |
| Number of properties | 7 | 9 |
| Additive primes | 47th | |
| Centered triangular primes | 5th | |
| Chen primes | 57th | |
| Cousin primes (1st member) | 13th | |
| Happy primes | 22nd | |
| Isolated primes | 15th | 39th |
| Lucky primes | 12th | 22nd |
| Pierpont primes | 12th | |
| Primes | 38th | 80th |
| Pythagorean primes | 39th | |
| Sexy primes (2nd member) | 22nd | |
| Sexy prime triplets (3rd member) | 12th | |
| Ulam primes | 11th | |
| Roman numberals | CLXIII | CDIX |
| Base 2 | 101000112 | 1100110012 |
| Base 3 | 200013 | 1200113 |
| Base 4 | 22034 | 121214 |
| Base 5 | 11235 | 31145 |
| Base 6 | 4316 | 15216 |
| Base 7 | 3227 | 11237 |
| Base 8 | 2438 | 6318 |
| Base 9 | 2019 | 5049 |
| Base 10 | 16310 | 40910 |
| Base 11 | 13911 | 34211 |
| Base 12 | 11712 | 2a112 |
| Base 13 | c713 | 25613 |
| Base 14 | b914 | 21314 |
| Base 15 | ad15 | 1c415 |
| Base 16 | a316 | 19916 |