Compare 181 vs 241
| Property | 181 | 241 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1811 | 2411 |
| Prime factorization | 181 | 241 |
| Divisors count | 2 | 2 |
| Divisors | 1, 181 | 1, 241 |
| Number of properties | 8 | 10 |
| Additive primes | 31st | |
| Centered square primes | 6th | |
| Chen primes | 33rd | |
| Dihedral primes | 5th | |
| Harmonic primes | 19th | |
| Long primes | 16th | |
| Lucky primes | 16th | |
| Palindromic primes | 9th | |
| Primes | 42nd | 53rd |
| Proth primes | 9th | |
| Pythagorean primes | 19th | 24th |
| Solinas primes | 29th | |
| Super primes | 16th | |
| Twin primes (2nd member) | 13th | 17th |
| Ulam primes | 10th | |
| Roman numberals | CLXXXI | CCXLI |
| Base 2 | 101101012 | 111100012 |
| Base 3 | 202013 | 222213 |
| Base 4 | 23114 | 33014 |
| Base 5 | 12115 | 14315 |
| Base 6 | 5016 | 10416 |
| Base 7 | 3467 | 4637 |
| Base 8 | 2658 | 3618 |
| Base 9 | 2219 | 2879 |
| Base 10 | 18110 | 24110 |
| Base 11 | 15511 | 1aa11 |
| Base 12 | 13112 | 18112 |
| Base 13 | 10c13 | 15713 |
| Base 14 | cd14 | 13314 |
| Base 15 | c115 | 11115 |
| Base 16 | b516 | f116 |