Compare 181 vs 2113
| Property | 181 | 2113 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1811 | 21131 |
| Prime factorization | 181 | 2113 |
| Divisors count | 2 | 2 |
| Divisors | 1, 181 | 1, 2113 |
| Number of properties | 8 | 10 |
| Additive primes | 167th | |
| Centered square primes | 6th | 16th |
| Chen primes | 33rd | |
| Dihedral primes | 5th | |
| Left-truncatable primes | 63rd | |
| Long primes | 16th | 122nd |
| Lucky primes | 73rd | |
| Palindromic primes | 9th | |
| Primes | 42nd | 319th |
| Proth primes | 22nd | |
| Pythagorean primes | 19th | 154th |
| Solinas primes | 60th | |
| Twin primes (2nd member) | 13th | 65th |
| Roman numberals | CLXXXI | MMCXIII |
| Base 2 | 101101012 | 1000010000012 |
| Base 3 | 202013 | 22200213 |
| Base 4 | 23114 | 2010014 |
| Base 5 | 12115 | 314235 |
| Base 6 | 5016 | 134416 |
| Base 7 | 3467 | 61067 |
| Base 8 | 2658 | 41018 |
| Base 9 | 2219 | 28079 |
| Base 10 | 18110 | 211310 |
| Base 11 | 15511 | 165111 |
| Base 12 | 13112 | 128112 |
| Base 13 | 10c13 | c6713 |
| Base 14 | cd14 | aad14 |
| Base 15 | c115 | 95d15 |
| Base 16 | b516 | 84116 |