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Powerful and consecutive (Posted on 2010-08-09) Difficulty: 4 of 5
Powerful numbers (4,8,9,16,25,27... )are defined as follows: if a prime p divides n then p2 must also divide n.
(8,9) is a couple of two consecutive numbers,both of them being powerful.
Find another pair(s) like that.

The more the merrier!!

No Solution Yet Submitted by Ady TZIDON    
Rating: 3.0000 (2 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)
re(2): Definition====> I beg to differ Comment 16 of 16 |
(In reply to re: Definition====> I beg to differ by Ady TZIDON)

The article "a" does have, sometimes, the indication of "one", rather than "any". Wolfram's definition lacks that article that could be construed as to have a singularizing effect.

Unfortunately English (and presumably any natural language) is not as precise as mathematics.


  Posted by Charlie on 2010-08-11 03:07:13
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