> <<Noone could call their full decimal
> name in a life time, allthough it is finite in length.>>
> 
> If I remember correctly, someone once recited millions of digits of Pi from 
> memory in three days. Heh.

You probably don't :).  I believe the world record was around 40,000 digits.
I find it highly unlikely that a human brain could hold that many digits.
Even assuming reciting 3 digits per second, that would take 3.85 days, no sleep.

I agree with Preda that these numbers are "abstract".  They are completely 
unimaginable in terms of size, yet completely handlable thanks to mathematics.
This is probably why people find them so fascinating.  

-Lucas
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