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Old 2021-05-30, 19:32   #2
xilman's Avatar
May 2003
Down not across

10,949 Posts

Originally Posted by Bobby Jacobs View Post
We have searched all primes up to 264=18446744073709551616, but that is not a big number. If something had 264 atoms in it, then it would be like a small grain of sand. 264 is a small number when it comes to atoms.
About a milligram of sand if I calculate correctly.

Easily visible but not especially large --- about 1mm across.
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