Creating your own Tinyurl style uid

Question

I\'m writing a small article on humanly readable alternatives to Guids/UIDs, for example those used on TinyURL for the url hashes (which are often printed in magazines, so n

Answer 1

If you're using 6 characters, a-z and 0-9, thats a total of 36 characters. The number of permutations is thus 36^6 which is 2176782336.. so it should only clash 1/2176782336 times.