Compare 18149 vs 18181
| Property | 18149 | 18181 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 181491 | 181811 |
| Prime factorization | 18149 | 18181 |
| Divisors count | 2 | 2 |
| Divisors | 1, 18149 | 1, 18181 |
| Number of properties | 10 | 9 |
| Additive primes | 978th | 979th |
| Chen primes | 1033rd | |
| Dihedral primes | 8th | |
| Harmonic primes | 753rd | 754th |
| Isolated primes | 1442nd | 1444th |
| Lucky primes | 341st | |
| Palindromic primes | 42nd | |
| Primes | 2081st | 2083rd |
| Pythagorean primes | 1027th | 1029th |
| Sexy primes (2nd member) | 642nd | |
| Sophie germain primes | 302nd | |
| Super primes | 313th | 314th |
| Ulam primes | 153rd | |
| Roman numberals | ||
| Base 2 | 1000110111001012 | 1000111000001012 |
| Base 3 | 2202200123 | 2202211013 |
| Base 4 | 101232114 | 101300114 |
| Base 5 | 10400445 | 10402115 |
| Base 6 | 2200056 | 2201016 |
| Base 7 | 1036257 | 1040027 |
| Base 8 | 433458 | 434058 |
| Base 9 | 268059 | 268419 |
| Base 10 | 1814910 | 1818110 |
| Base 11 | 126aa11 | 1272911 |
| Base 12 | a60512 | a63112 |
| Base 13 | 835113 | 837713 |
| Base 14 | 688514 | 68a914 |
| Base 15 | 559e15 | 55c115 |
| Base 16 | 46e516 | 470516 |