November 5th, 2008, 08:33 AM  #1 
Newbie Joined: Nov 2008 Posts: 1 Thanks: 0  twin primes
Find all twin primes p, p+2 whose mid term p+1 is i) Triangular ii) Perfect square iii) perfect i've done (i) and (ii) put I have no ideas for (iii) 
November 5th, 2008, 01:35 PM  #2 
Global Moderator Joined: Nov 2006 From: UTC 5 Posts: 16,046 Thanks: 938 Math Focus: Number theory, computational mathematics, combinatorics, FOM, symbolic logic, TCS, algorithms  Re: twnin primes
Do you know what form even perfect numbers take?


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