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ndigits

ndigits(n, b)

Compute the number of digits in number n written in base b.

Examples

1. Count the number of digits in a decimal number:

   julia> ndigits(12345)
   5

   This example calculates the number of digits in the decimal number 12345.

2. Count the number of digits in a binary number:

   julia> ndigits(0b101010, 2)
   6

   It computes the number of digits in the binary number 0b101010 (42 in decimal).

3. Count the number of digits in a hexadecimal number:

   julia> ndigits(0x1A4B, 16)
   4

   This example determines the number of digits in the hexadecimal number 0x1A4B (6731 in decimal).

Common mistake example:

julia> ndigits(-123)
ERROR: ArgumentError: Base must be positive

Here, a negative number is provided as the argument for n, but the ndigits function expects a positive number. Ensure that the input value is valid and positive to avoid this error.

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