Compare 199918 vs 199921
Property | 199918 | 199921 |
---|---|---|
Type | composite number | prime |
Unique factors | 3 | 1 |
Total factors | 3 | 1 |
Prime factorization | 21 × 191 × 52611 | 1999211 |
Prime factorization | 2 × 19 × 5261 | 199921 |
Divisors count | 8 | 2 |
Divisors | 1, 2, 19, 38, 5261, 10522, 99959, 199918 | 1, 199921 |
Number of properties | 0 | 5 |
Additive primes | 7221st | |
Isolated primes | 13662nd | |
Primes | 17979th | |
Pythagorean primes | 8975th | |
Ulam primes | 1289th | |
Roman numberals | ||
Base 2 | 1100001100111011102 | 1100001100111100012 |
Base 3 | 1010110201013 | 1010110201113 |
Base 4 | 3003032324 | 3003033014 |
Base 5 | 223441335 | 223441415 |
Base 6 | 41413146 | 41413216 |
Base 7 | 14615657 | 14616017 |
Base 8 | 6063568 | 6063618 |
Base 9 | 3342119 | 3342149 |
Base 10 | 19991810 | 19992110 |
Base 11 | 12722411 | 12722711 |
Base 12 | 9783a12 | 9784112 |
Base 13 | 6ccc413 | 6ccc713 |
Base 14 | 52bdc14 | 52c0114 |
Base 15 | 3e37d15 | 3e38115 |
Base 16 | 30cee16 | 30cf116 |