Compare 181 vs 233
| Property | 181 | 233 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1811 | 2331 |
| Prime factorization | 181 | 233 |
| Divisors count | 2 | 2 |
| Divisors | 1, 181 | 1, 233 |
| Number of properties | 8 | 13 |
| Centered square primes | 6th | |
| Chen primes | 33rd | 39th |
| Cousin primes (2nd member) | 16th | |
| Dihedral primes | 5th | |
| Fibonacci primes | 6th | |
| Isolated primes | 20th | |
| Long primes | 16th | 20th |
| Palindromic primes | 9th | |
| Primes | 42nd | 51st |
| Prime triplets (3rd member) | 16th | |
| Pythagorean primes | 19th | 23rd |
| Right-truncatable primes | 14th | |
| Sexy primes (1st member) | 29th | |
| Sexy primes (2nd member) | 28th | |
| Sexy prime triplets (2nd member) | 14th | |
| Sophie germain primes | 16th | |
| Twin primes (2nd member) | 13th | |
| Roman numberals | CLXXXI | CCXXXIII |
| Base 2 | 101101012 | 111010012 |
| Base 3 | 202013 | 221223 |
| Base 4 | 23114 | 32214 |
| Base 5 | 12115 | 14135 |
| Base 6 | 5016 | 10256 |
| Base 7 | 3467 | 4527 |
| Base 8 | 2658 | 3518 |
| Base 9 | 2219 | 2789 |
| Base 10 | 18110 | 23310 |
| Base 11 | 15511 | 1a211 |
| Base 12 | 13112 | 17512 |
| Base 13 | 10c13 | 14c13 |
| Base 14 | cd14 | 12914 |
| Base 15 | c115 | 10815 |
| Base 16 | b516 | e916 |