Compare 1181 vs 18181
| Property | 1181 | 18181 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 11811 | 181811 |
| Prime factorization | 1181 | 18181 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1181 | 1, 18181 |
| Number of properties | 10 | 9 |
| Additive primes | 104th | 979th |
| Dihedral primes | 6th | 8th |
| Emirps | 49th | |
| Harmonic primes | 68th | 754th |
| Isolated primes | 113th | 1444th |
| Long primes | 74th | |
| Lucky primes | 341st | |
| Palindromic primes | 42nd | |
| Primes | 194th | 2083rd |
| Pythagorean primes | 94th | 1029th |
| Sexy primes (1st member) | 84th | |
| Sexy prime triplets (1st member) | 32nd | |
| Super primes | 314th | |
| Roman numberals | MCLXXXI | |
| Base 2 | 100100111012 | 1000111000001012 |
| Base 3 | 11212023 | 2202211013 |
| Base 4 | 1021314 | 101300114 |
| Base 5 | 142115 | 10402115 |
| Base 6 | 52456 | 2201016 |
| Base 7 | 33057 | 1040027 |
| Base 8 | 22358 | 434058 |
| Base 9 | 15529 | 268419 |
| Base 10 | 118110 | 1818110 |
| Base 11 | 98411 | 1272911 |
| Base 12 | 82512 | a63112 |
| Base 13 | 6cb13 | 837713 |
| Base 14 | 60514 | 68a914 |
| Base 15 | 53b15 | 55c115 |
| Base 16 | 49d16 | 470516 |