Compare 18181 vs 19013
| Property | 18181 | 19013 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 181811 | 190131 |
| Prime factorization | 18181 | 19013 |
| Divisors count | 2 | 2 |
| Divisors | 1, 18181 | 1, 19013 |
| Number of properties | 9 | 9 |
| Additive primes | 979th | |
| Centered square primes | 34th | |
| Chen primes | 1072nd | |
| Cousin primes (2nd member) | 336th | |
| Dihedral primes | 8th | |
| Emirps | 593rd | |
| Harmonic primes | 754th | 779th |
| Isolated primes | 1444th | 1508th |
| Lucky primes | 341st | |
| Palindromic primes | 42nd | |
| Primes | 2083rd | 2161st |
| Pythagorean primes | 1029th | 1071st |
| Super primes | 314th | 326th |
| Roman numberals | ||
| Base 2 | 1000111000001012 | 1001010010001012 |
| Base 3 | 2202211013 | 2220020123 |
| Base 4 | 101300114 | 102210114 |
| Base 5 | 10402115 | 11020235 |
| Base 6 | 2201016 | 2240056 |
| Base 7 | 1040027 | 1063017 |
| Base 8 | 434058 | 451058 |
| Base 9 | 268419 | 280659 |
| Base 10 | 1818110 | 1901310 |
| Base 11 | 1272911 | 1331511 |
| Base 12 | a63112 | b00512 |
| Base 13 | 837713 | 886713 |
| Base 14 | 68a914 | 6d0114 |
| Base 15 | 55c115 | 597815 |
| Base 16 | 470516 | 4a4516 |