Perfect numbers: Difference between revisions
Added Quackery.
(Added Quackery.) |
|||
Line 2,927:
{{Out}}
<pre>[6, 28, 496, 8128]</pre>
=={{header|Quackery}}==
<code>factors</code> is defined at [http://rosettacode.org/wiki/Factors_of_an_integer#Quackery Factors of an integer].
<lang Quackery> [ 0 swap witheach + ] is sum ( [ --> n )
[ factors -1 pluck dip sum = ] is perfect ( n --> n )
say "Perfect numbers less than 10000:" cr
10000 times
[ i^ 1+ perfect if [ i^ 1+ echo cr ] ]
</lang>
{{out}}
<pre>Perfect numbers less than 10000:
6
28
496
8128
</pre>
=={{header|R}}==
| |||