Re: Zero digits in powers

Gerry Myerson wrote:
> In article <1118950785.269911.221560@xxxxxxxxxxxxxxxxxxxxxxxxxxxx>,
> vkarlamov@xxxxxxxxx wrote:
>
> > *** T. Winter wrote:
> > > In article <1118885085.834902.286300@xxxxxxxxxxxxxxxxxxxxxxxxxxxx>
> > > vkarlamov@xxxxxxxxx writes:
>
> > > > Assume for the fun of it that the digits in the decimal
> > > > representation of 2^n are independently and uniformly
> > > > distributed.
> > >
> > > But they are not. The probability that the first digit is k is about
> > > log(k + 1) - log(k), and similar formula's for larger sequences.
> > >
> > log base 10?
>
> Yes.
>

I vaguely recall a story that in the 1960s some Russian programmers
were using middle digits from products of two big numbers as a "random
number generator".

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