Compare 18181 vs 31013
| Property | 18181 | 31013 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 181811 | 310131 |
| Prime factorization | 18181 | 31013 |
| Divisors count | 2 | 2 |
| Divisors | 1, 18181 | 1, 31013 |
| Number of properties | 9 | 6 |
| Additive primes | 979th | |
| Chen primes | 1598th | |
| Dihedral primes | 8th | |
| Harmonic primes | 754th | |
| Isolated primes | 1444th | 2386th |
| Lucky primes | 341st | |
| Palindromic primes | 42nd | 52nd |
| Primes | 2083rd | 3341st |
| Pythagorean primes | 1029th | 1664th |
| Sexy primes (1st member) | 977th | |
| Super primes | 314th | |
| Roman numberals | ||
| Base 2 | 1000111000001012 | 1111001001001012 |
| Base 3 | 2202211013 | 11201121223 |
| Base 4 | 101300114 | 132102114 |
| Base 5 | 10402115 | 14430235 |
| Base 6 | 2201016 | 3553256 |
| Base 7 | 1040027 | 1562637 |
| Base 8 | 434058 | 744458 |
| Base 9 | 268419 | 464789 |
| Base 10 | 1818110 | 3101310 |
| Base 11 | 1272911 | 2133411 |
| Base 12 | a63112 | 15b4512 |
| Base 13 | 837713 | 1116813 |
| Base 14 | 68a914 | b43314 |
| Base 15 | 55c115 | 92c815 |
| Base 16 | 470516 | 792516 |