Compare 18181 vs 18199
| Property | 18181 | 18199 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 181811 | 181991 |
| Prime factorization | 18181 | 18199 |
| Divisors count | 2 | 2 |
| Divisors | 1, 18181 | 1, 18199 |
| Number of properties | 9 | 5 |
| Additive primes | 979th | |
| Chen primes | 1034th | |
| Dihedral primes | 8th | |
| Emirps | 563rd | |
| Harmonic primes | 754th | 755th |
| Isolated primes | 1444th | 1446th |
| Lucky primes | 341st | |
| Palindromic primes | 42nd | |
| Primes | 2083rd | 2085th |
| Pythagorean primes | 1029th | |
| Super primes | 314th | |
| Roman numberals | ||
| Base 2 | 1000111000001012 | 1000111000101112 |
| Base 3 | 2202211013 | 2202220013 |
| Base 4 | 101300114 | 101301134 |
| Base 5 | 10402115 | 10402445 |
| Base 6 | 2201016 | 2201316 |
| Base 7 | 1040027 | 1040267 |
| Base 8 | 434058 | 434278 |
| Base 9 | 268419 | 268619 |
| Base 10 | 1818110 | 1819910 |
| Base 11 | 1272911 | 1274511 |
| Base 12 | a63112 | a64712 |
| Base 13 | 837713 | 838c13 |
| Base 14 | 68a914 | 68bd14 |
| Base 15 | 55c115 | 55d415 |
| Base 16 | 470516 | 471716 |