Compare 18121 vs 18199
| Property | 18121 | 18199 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 181211 | 181991 |
| Prime factorization | 18121 | 18199 |
| Divisors count | 2 | 2 |
| Divisors | 1, 18121 | 1, 18199 |
| Number of properties | 7 | 5 |
| Additive primes | 975th | |
| Chen primes | 1034th | |
| Emirps | 563rd | |
| Harmonic primes | 751st | 755th |
| Isolated primes | 1446th | |
| Primes | 2076th | 2085th |
| Pythagorean primes | 1025th | |
| Sexy primes (1st member) | 640th | |
| Sexy prime triplets (1st member) | 178th | |
| Twin primes (2nd member) | 319th | |
| Roman numberals | ||
| Base 2 | 1000110110010012 | 1000111000101112 |
| Base 3 | 2202120113 | 2202220013 |
| Base 4 | 101230214 | 101301134 |
| Base 5 | 10344415 | 10402445 |
| Base 6 | 2155216 | 2201316 |
| Base 7 | 1035557 | 1040267 |
| Base 8 | 433118 | 434278 |
| Base 9 | 267649 | 268619 |
| Base 10 | 1812110 | 1819910 |
| Base 11 | 1268411 | 1274511 |
| Base 12 | a5a112 | a64712 |
| Base 13 | 832c13 | 838c13 |
| Base 14 | 686514 | 68bd14 |
| Base 15 | 558115 | 55d415 |
| Base 16 | 46c916 | 471716 |