Find the digit corresponding to 10² in a number:

Find the digit corresponding to 10^-1 in a number:

Find the 10⁴ and 10⁶ digits of a number:

Find the 10³, 10⁵ and 10⁷ digits in a number:

Find the 10² through 10^-2 digits of Pi:

Find the 10² through 10^-2 digits of Pi in base 16:

Find the first three digits of the fraction

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Digits of negative numbers are the same as for their positive counterparts:

The base need not be an integer, and you can find the first several digits of Pi to a base strictly between 1 and 2:

These are not the same as the digits to corresponding powers in base 2:

NumberDigit is listable in its first argument:

Show that the fourth digit of random reals between 0 and 1 is equally distributed over the range from 0 through 9:

Take all days of the year 2021:

Histogram of the digits of months:

Histogram of the digits of days:

Histogram of the digits of days:

NumberDigit[x,n,b] returns the digit given as the first element of RealDigits[x,b,1,n]:

For an approximate real value, if the requested digit(s) are beyond the input precision, then the result will have indeterminate digits:

Take a thousand sums of a hundred reals between 0 and 1:

They are distributed around 50:

Because the deviation is smaller than 10, there is a nonuniform distribution of digits: