Reputation: 1511
How many 8 character passwords are there?
The conditions that must hold are the followings:
Upvotes: 0
Views: 7413
Reputation: 13225
As it appears in the other answers, you have a set of 26+26+10=62 characters (upper case letters, lower case letters, digits).
And if you have no other conditions, all of those characters can appear in all 8 positions, making the number of permutations with repetition 628, 218340105584896.
Upvotes: 2