Well, no, it's not. We're talking in the context of decimal representations of numbers. Outside of such a context the number of digits of a number is meaningles

Well, no, it's not. We're talking in the context of decimal representations of numbers. Outside of such a context the number of digits of a number is meaningless. In any case and in any base, a leading zero would not be considered a 'digit' of a given number, unless the character '0' was used to represent a non-zero digit.