The number of digits in a number system is equal to the base of the system. The decimal system is base 10 and has ten digits. Binary has two bits, which is short for binary digits. Hexadecimal has sixteen digits (0, 1, 2, 3, 4, 5, 6, 7, 8, 9, A, B, C, D, E & F), and so on.
6 digits
6
12 digits.12 digits.12 digits.12 digits.
A quadrillion has 16 digits.
Seven digits.
6 digits
4
9 digits
8 digits.
Musical Digits are FOURTEEN
Musical Digits are FOURTEEN
approxamately 6 digits