Compare 18121 vs 18181
Property | 18121 | 18181 |
---|---|---|
Type | prime | prime |
Unique factors | 1 | 1 |
Total factors | 1 | 1 |
Prime factorization | 181211 | 181811 |
Prime factorization | 18121 | 18181 |
Divisors count | 2 | 2 |
Divisors | 1, 18121 | 1, 18181 |
Number of properties | 7 | 9 |
Additive primes | 975th | 979th |
Dihedral primes | 8th | |
Harmonic primes | 751st | 754th |
Isolated primes | 1444th | |
Lucky primes | 341st | |
Palindromic primes | 42nd | |
Primes | 2076th | 2083rd |
Pythagorean primes | 1025th | 1029th |
Sexy primes (1st member) | 640th | |
Sexy prime triplets (1st member) | 178th | |
Super primes | 314th | |
Twin primes (2nd member) | 319th | |
Roman numberals | ||
Base 2 | 1000110110010012 | 1000111000001012 |
Base 3 | 2202120113 | 2202211013 |
Base 4 | 101230214 | 101300114 |
Base 5 | 10344415 | 10402115 |
Base 6 | 2155216 | 2201016 |
Base 7 | 1035557 | 1040027 |
Base 8 | 433118 | 434058 |
Base 9 | 267649 | 268419 |
Base 10 | 1812110 | 1818110 |
Base 11 | 1268411 | 1272911 |
Base 12 | a5a112 | a63112 |
Base 13 | 832c13 | 837713 |
Base 14 | 686514 | 68a914 |
Base 15 | 558115 | 55c115 |
Base 16 | 46c916 | 470516 |