Benford's law

The probability of the first digit in a number in real life is:>>

Digit	Prob %
1	30.1
2	17.6
3	12.5
4	9.7
5	7.9
6	6.7
7	5.8
8	5.1
9	4.6

That means 30% of all numbers start with 1 . Watch out if you fake numbers!