I read something interesting about the so-called Graham's number.

  The number is a well-defined finite integer which is used in a serious
proof of a mathematical problem, so it's not an artificially created one
(in other words, the number came up when estimating the upper bound of
that mathematical problem).

  The number is so large that the entire observable universe would not be
large enough to write it down, even if each written digit has the size of
one Planck volume.

  Moreover, the amount of digits in Graham's number is so large, that the
entire observable universe is not big enough to likewise write down this
amount.

  Even the amount of digits in this amount is likewise too large.

  The amount of such recursions you need to do before you get to a number
which would fit in the observable universe (which is obviously a finite
amount because the number is a finite integer) is so large that this amount
wouldn't fit inside the observable universe.

  A somewhat large number indeed.

-- 
                                                          - Warp

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