Compare 181 vs 18181
Property | 181 | 18181 |
---|---|---|
Type | prime | prime |
Unique factors | 1 | 1 |
Total factors | 1 | 1 |
Prime factorization | 1811 | 181811 |
Prime factorization | 181 | 18181 |
Divisors count | 2 | 2 |
Divisors | 1, 181 | 1, 18181 |
Number of properties | 8 | 9 |
Additive primes | 979th | |
Centered square primes | 6th | |
Chen primes | 33rd | |
Dihedral primes | 5th | 8th |
Harmonic primes | 754th | |
Isolated primes | 1444th | |
Long primes | 16th | |
Lucky primes | 341st | |
Palindromic primes | 9th | 42nd |
Primes | 42nd | 2083rd |
Pythagorean primes | 19th | 1029th |
Super primes | 314th | |
Twin primes (2nd member) | 13th | |
Roman numberals | CLXXXI | |
Base 2 | 101101012 | 1000111000001012 |
Base 3 | 202013 | 2202211013 |
Base 4 | 23114 | 101300114 |
Base 5 | 12115 | 10402115 |
Base 6 | 5016 | 2201016 |
Base 7 | 3467 | 1040027 |
Base 8 | 2658 | 434058 |
Base 9 | 2219 | 268419 |
Base 10 | 18110 | 1818110 |
Base 11 | 15511 | 1272911 |
Base 12 | 13112 | a63112 |
Base 13 | 10c13 | 837713 |
Base 14 | cd14 | 68a914 |
Base 15 | c115 | 55c115 |
Base 16 | b516 | 470516 |