Compare 18121 vs 18413
| Property | 18121 | 18413 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 181211 | 184131 |
| Prime factorization | 18121 | 18413 |
| Divisors count | 2 | 2 |
| Divisors | 1, 18121 | 1, 18413 |
| Number of properties | 7 | 7 |
| Additive primes | 975th | 990th |
| Emirps | 570th | |
| Happy primes | 361st | |
| Harmonic primes | 751st | 761st |
| Isolated primes | 1464th | |
| Primes | 2076th | 2109th |
| Pythagorean primes | 1025th | 1044th |
| Sexy primes (1st member) | 640th | |
| Sexy prime triplets (1st member) | 178th | |
| Twin primes (2nd member) | 319th | |
| Roman numberals | ||
| Base 2 | 1000110110010012 | 1000111111011012 |
| Base 3 | 2202120113 | 2210202223 |
| Base 4 | 101230214 | 101332314 |
| Base 5 | 10344415 | 10421235 |
| Base 6 | 2155216 | 2211256 |
| Base 7 | 1035557 | 1044537 |
| Base 8 | 433118 | 437558 |
| Base 9 | 267649 | 272289 |
| Base 10 | 1812110 | 1841310 |
| Base 11 | 1268411 | 1291a11 |
| Base 12 | a5a112 | a7a512 |
| Base 13 | 832c13 | 84c513 |
| Base 14 | 686514 | 69d314 |
| Base 15 | 558115 | 56c815 |
| Base 16 | 46c916 | 47ed16 |