Compare 18117 vs 18121
| Property | 18117 | 18121 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 5 | 1 |
| Prime factorization | 33 × 111 × 611 | 181211 |
| Prime factorization | 3 × 3 × 3 × 11 × 61 | 18121 |
| Divisors count | 16 | 2 |
| Divisors | 1, 3, 9, 11, 27, 33, 61, 99, 183, 297, 549, 671, 1647, 2013, 6039, 18117 | 1, 18121 |
| Number of properties | 0 | 7 |
| Additive primes | 975th | |
| Harmonic primes | 751st | |
| Primes | 2076th | |
| Pythagorean primes | 1025th | |
| Sexy primes (1st member) | 640th | |
| Sexy prime triplets (1st member) | 178th | |
| Twin primes (2nd member) | 319th | |
| Roman numberals | ||
| Base 2 | 1000110110001012 | 1000110110010012 |
| Base 3 | 2202120003 | 2202120113 |
| Base 4 | 101230114 | 101230214 |
| Base 5 | 10344325 | 10344415 |
| Base 6 | 2155136 | 2155216 |
| Base 7 | 1035517 | 1035557 |
| Base 8 | 433058 | 433118 |
| Base 9 | 267609 | 267649 |
| Base 10 | 1811710 | 1812110 |
| Base 11 | 1268011 | 1268411 |
| Base 12 | a59912 | a5a112 |
| Base 13 | 832813 | 832c13 |
| Base 14 | 686114 | 686514 |
| Base 15 | 557c15 | 558115 |
| Base 16 | 46c516 | 46c916 |