approximate-number
Converts numbers into a more human-friendly format, similar to `ls`'s `--human-readable` flag (`ls -lh`) or Stack Overflow's reputation numbers. For example, 123456 becomes '123k'.
k-convert
Convert a number to k-metric or a k-metric number to a long number
short-id-gen
Build short IDs with numbers, uppercase- and lowercase-letters. Pass number of characters (exact or min+max) as param.