Re: IMPORTANT Re: Zero digits in powers

In article <1119462359.325843.286820@xxxxxxxxxxxxxxxxxxxxxxxxxxxx> vkarlamov@xxxxxxxxx writes:
> Jean-Claude Arbaut wrote:
....
> > You just need to compute the last few digits (say 100 or 200) to find a
> > "0". And these only require few additions. That's why it is very fast
> > to reach 10^9.
>
> Tell me exactly: does it indeed take no more than, say, 200 digits to
> find a zero for each n < 10^9 or arethere a few examples that take more
> digits?

My trial program was wrong, so the figures from that should be discarded.
There are exactly 242453 violations of the hypothesis in the last 15
digits in the range to 10^6, and the time was about 4 seconds. I have
to consider further (when I have time).
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