Return a string of symbols in base b corresponding to the nonnegative integer n.
dec2base (123, 3) "11120"If n is a vector, return a string matrix with one row per value, padded with leading zeros to the width of the largest value.
If b is a string then the characters of b are used as the symbols for the digits of n. Space (' ') may not be used as a symbol.
dec2base (123, "aei") "eeeia"The optional third argument, len, specifies the minimum number of digits in the result.