Returns the first number (1+ consecutive digits) in the given text. Optionally, provide allowed characters to ignore them

Converts a number (starting at 1) to an alphabet representation. Works like column headers in Excel.

Reverses the bits in an 8bit representation of a number

Reverses the bits in a 32bit representation of a number

Base 10 to binary conversion

Changing hexadecimal representation of a number to decimal