https://docs.google.com/document/d/1lMdtVjcCr8F-l2c7d1YjJQ77eCYi2abAp-tiYG8j6RY/editcurrently at 1/4 million random digits and even the largest error was under 1%. Smallest error under .03%
The sample is large enough that even if you ctrl-f and type in a 5 digit number, it'll show up several times most of the time. With 6 digits this is uncommon.
The chance that a 8 digit sequence will show is 1 in 3000
The chance that a 7 digit sequence will not show is 97%
The chance that a 6 digit sequence will not show is 77%
The chance that a 5 digit sequence will not show is 1 in 12
The chance that a 4 digit sequence will not show is 1 in 100 billion
The chance that a 3 digit sequence will not show is 1 in 1x10^109
The chance that a 2 digit sequence will not show is 1 in 1x10^1092
The chance that a 1 digit sequence will not show is 0%