Compare 18180 vs 18181
Property | 18180 | 18181 |
---|---|---|
Type | composite number | prime |
Unique factors | 4 | 1 |
Total factors | 6 | 1 |
Prime factorization | 22 × 32 × 51 × 1011 | 181811 |
Prime factorization | 2 × 2 × 3 × 3 × 5 × 101 | 18181 |
Divisors count | 36 | 2 |
Divisors | 1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 101, 180, 202, 303, 404, 505, 606, 909, 1010, 1212, 1515, 1818, 2020, 3030, 3636, 4545, 6060, 9090, 18180 | 1, 18181 |
Number of properties | 0 | 9 |
Additive primes | 979th | |
Dihedral primes | 8th | |
Harmonic primes | 754th | |
Isolated primes | 1444th | |
Lucky primes | 341st | |
Palindromic primes | 42nd | |
Primes | 2083rd | |
Pythagorean primes | 1029th | |
Super primes | 314th | |
Roman numberals | ||
Base 2 | 1000111000001002 | 1000111000001012 |
Base 3 | 2202211003 | 2202211013 |
Base 4 | 101300104 | 101300114 |
Base 5 | 10402105 | 10402115 |
Base 6 | 2201006 | 2201016 |
Base 7 | 1040017 | 1040027 |
Base 8 | 434048 | 434058 |
Base 9 | 268409 | 268419 |
Base 10 | 1818010 | 1818110 |
Base 11 | 1272811 | 1272911 |
Base 12 | a63012 | a63112 |
Base 13 | 837613 | 837713 |
Base 14 | 68a814 | 68a914 |
Base 15 | 55c015 | 55c115 |
Base 16 | 470416 | 470516 |