24
if its not alphanumeric, 999999 variations
87400 combinations
There are millions of possible combinations.
If order doesn't matter, 15 combinations and if order does matter, 360 combinations are possible.
There are 256 possible combinations of dots in 8-dot braille (if you include a blank cell as a character).
10,000
2^n possible combinations
There are 2^5 = 32 different combinations of the five traits possible.
A byte is a sequence of 8 zeroes or ones in a binary system, which is known as a bit. One byte can store one alphanumeric character.
There are 167960 combinations.
Since a number can have infinitely many digits, there are infinitely many possible combinations.