Compare 839 vs 842
Property | 839 | 842 |
---|---|---|
Type | prime | semiprime |
Unique factors | 1 | 2 |
Total factors | 1 | 2 |
Prime factorization | 8391 | 21 × 4211 |
Prime factorization | 839 | 2 × 421 |
Divisors count | 2 | 4 |
Divisors | 1, 839 | 1, 2, 421, 842 |
Number of properties | 4 | 1 |
Chen primes | 100th | |
Isolated primes | 81st | |
Primes | 146th | |
Safe primes | 22nd | |
Semiprimes | 254th | |
Roman numberals | DCCCXXXIX | DCCCXLII |
Base 2 | 11010001112 | 11010010102 |
Base 3 | 10110023 | 10110123 |
Base 4 | 310134 | 310224 |
Base 5 | 113245 | 113325 |
Base 6 | 35156 | 35226 |
Base 7 | 23067 | 23127 |
Base 8 | 15078 | 15128 |
Base 9 | 11329 | 11359 |
Base 10 | 83910 | 84210 |
Base 11 | 6a311 | 6a611 |
Base 12 | 59b12 | 5a212 |
Base 13 | 4c713 | 4ca13 |
Base 14 | 43d14 | 44214 |
Base 15 | 3ae15 | 3b215 |
Base 16 | 34716 | 34a16 |