Compare 18181 vs 30803
| Property | 18181 | 30803 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 181811 | 308031 |
| Prime factorization | 18181 | 30803 |
| Divisors count | 2 | 2 |
| Divisors | 1, 18181 | 1, 30803 |
| Number of properties | 9 | 9 |
| Additive primes | 979th | |
| Dihedral primes | 8th | |
| Good primes | 331st | |
| Happy primes | 548th | |
| Harmonic primes | 754th | 1234th |
| Isolated primes | 1444th | 2371st |
| Lucky primes | 341st | |
| Palindromic primes | 42nd | 51st |
| Primes | 2083rd | 3320th |
| Pythagorean primes | 1029th | |
| Safe primes | 271st | |
| Sexy primes (1st member) | 972nd | |
| Super primes | 314th | |
| Ulam primes | 253rd | |
| Roman numberals | ||
| Base 2 | 1000111000001012 | 1111000010100112 |
| Base 3 | 2202211013 | 11200202123 |
| Base 4 | 101300114 | 132011034 |
| Base 5 | 10402115 | 14412035 |
| Base 6 | 2201016 | 3543356 |
| Base 7 | 1040027 | 1555437 |
| Base 8 | 434058 | 741238 |
| Base 9 | 268419 | 462259 |
| Base 10 | 1818110 | 3080310 |
| Base 11 | 1272911 | 2116311 |
| Base 12 | a63112 | 159ab12 |
| Base 13 | 837713 | 1103613 |
| Base 14 | 68a914 | b32314 |
| Base 15 | 55c115 | 91d815 |
| Base 16 | 470516 | 785316 |