Compare 642881 vs 642883
Property | 642881 | 642883 |
---|---|---|
Type | prime | semiprime |
Unique factors | 1 | 2 |
Total factors | 1 | 2 |
Prime factorization | 6428811 | 1931 × 33311 |
Prime factorization | 642881 | 193 × 3331 |
Divisors count | 2 | 4 |
Divisors | 1, 642881 | 1, 193, 3331, 642883 |
Number of properties | 6 | 1 |
Additive primes | 20433rd | |
Chen primes | 20450th | |
Cousin primes (2nd member) | 5645th | |
Isolated primes | 40972nd | |
Primes | 52281st | |
Semiprimes | 137750th | |
Sophie germain primes | 5326th | |
Roman numberals | ||
Base 2 | 100111001111010000012 | 100111001111010000112 |
Base 3 | 10121222121023 | 10121222121113 |
Base 4 | 21303310014 | 21303310034 |
Base 5 | 1310330115 | 1310330135 |
Base 6 | 214401456 | 214401516 |
Base 7 | 53152017 | 53152037 |
Base 8 | 23475018 | 23475038 |
Base 9 | 11787729 | 11787749 |
Base 10 | 64288110 | 64288310 |
Base 11 | 3aa00811 | 3aa00a11 |
Base 12 | 27005512 | 27005712 |
Base 13 | 19680513 | 19680713 |
Base 14 | 12a40114 | 12a40314 |
Base 15 | ca73b15 | ca73d15 |
Base 16 | 9cf4116 | 9cf4316 |