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Old 2009-04-09, 18:02   #17
Just call me Henry
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Sep 2007
Cambridge (GMT/BST)

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Originally Posted by 10metreh View Post
Yep, well spotted. The problem is you need it to change to 2^12*8191^2 - how rare is that? I wonder whether 100651008 ever escapes it! I was thinking that a more inexperienced person in aliquot sequences would not notice the 8191 immediately and not realise why the 2^12 kept hanging on.
Is 100651008 a side sequence of something that has been taken to 80 or 100 digits?
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