Compare 181 vs 293
| Property | 181 | 293 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1811 | 2931 |
| Prime factorization | 181 | 293 |
| Divisors count | 2 | 2 |
| Divisors | 1, 181 | 1, 293 |
| Number of properties | 8 | 8 |
| Centered square primes | 6th | |
| Chen primes | 33rd | 46th |
| Dihedral primes | 5th | |
| Happy primes | 15th | |
| Harmonic primes | 24th | |
| Isolated primes | 25th | |
| Long primes | 16th | |
| Palindromic primes | 9th | |
| Primes | 42nd | 62nd |
| Pythagorean primes | 19th | 29th |
| Right-truncatable primes | 16th | |
| Sophie germain primes | 20th | |
| Twin primes (2nd member) | 13th | |
| Roman numberals | CLXXXI | CCXCIII |
| Base 2 | 101101012 | 1001001012 |
| Base 3 | 202013 | 1012123 |
| Base 4 | 23114 | 102114 |
| Base 5 | 12115 | 21335 |
| Base 6 | 5016 | 12056 |
| Base 7 | 3467 | 5667 |
| Base 8 | 2658 | 4458 |
| Base 9 | 2219 | 3559 |
| Base 10 | 18110 | 29310 |
| Base 11 | 15511 | 24711 |
| Base 12 | 13112 | 20512 |
| Base 13 | 10c13 | 19713 |
| Base 14 | cd14 | 16d14 |
| Base 15 | c115 | 14815 |
| Base 16 | b516 | 12516 |