Compare 18121 vs 18122
Property | 18121 | 18122 |
---|---|---|
Type | prime | composite number |
Unique factors | 1 | 4 |
Total factors | 1 | 4 |
Prime factorization | 181211 | 21 × 131 × 171 × 411 |
Prime factorization | 18121 | 2 × 13 × 17 × 41 |
Divisors count | 2 | 16 |
Divisors | 1, 18121 | 1, 2, 13, 17, 26, 34, 41, 82, 221, 442, 533, 697, 1066, 1394, 9061, 18122 |
Number of properties | 7 | 0 |
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 | 1000110110010012 | 1000110110010102 |
Base 3 | 2202120113 | 2202120123 |
Base 4 | 101230214 | 101230224 |
Base 5 | 10344415 | 10344425 |
Base 6 | 2155216 | 2155226 |
Base 7 | 1035557 | 1035567 |
Base 8 | 433118 | 433128 |
Base 9 | 267649 | 267659 |
Base 10 | 1812110 | 1812210 |
Base 11 | 1268411 | 1268511 |
Base 12 | a5a112 | a5a212 |
Base 13 | 832c13 | 833013 |
Base 14 | 686514 | 686614 |
Base 15 | 558115 | 558215 |
Base 16 | 46c916 | 46ca16 |