Perfect numbers: Difference between revisions

m
Line 750:
0 0 0 0 0 0 1 0 0 0
0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 1 0</lang>
is_perfect 191561942608236107294793378084303638130997321548169216x
1</lang>
 
More efficient version based on comments by [[http://jsoftware.com/pipermail/programming/2014-June/037675.html Henry Rich]] and [[http://jsoftware.com/pipermail/programming/2014-June/037689.html Roger Hui]].
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