Compare 18013 vs 18121
| Property | 18013 | 18121 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 180131 | 181211 |
| Prime factorization | 18013 | 18121 |
| Divisors count | 2 | 2 |
| Divisors | 1, 18013 | 1, 18121 |
| Number of properties | 5 | 7 |
| Additive primes | 972nd | 975th |
| Emirps | 556th | |
| Harmonic primes | 751st | |
| Isolated primes | 1436th | |
| Primes | 2065th | 2076th |
| Pythagorean primes | 1018th | 1025th |
| Sexy primes (1st member) | 640th | |
| Sexy prime triplets (1st member) | 178th | |
| Twin primes (2nd member) | 319th | |
| Roman numberals | ||
| Base 2 | 1000110010111012 | 1000110110010012 |
| Base 3 | 2202010113 | 2202120113 |
| Base 4 | 101211314 | 101230214 |
| Base 5 | 10340235 | 10344415 |
| Base 6 | 2152216 | 2155216 |
| Base 7 | 1033427 | 1035557 |
| Base 8 | 431358 | 433118 |
| Base 9 | 266349 | 267649 |
| Base 10 | 1801310 | 1812110 |
| Base 11 | 1259611 | 1268411 |
| Base 12 | a51112 | a5a112 |
| Base 13 | 827813 | 832c13 |
| Base 14 | 67c914 | 686514 |
| Base 15 | 550d15 | 558115 |
| Base 16 | 465d16 | 46c916 |