can you please help? Find all twin primes p, p+2 whose mid term p+1 is i) Triangular ii) Perfect square iii) perfect thx
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Originally Posted by marlen19861@hotmail.com can you please help? Find all twin primes p, p+2 whose mid term p+1 is i) Triangular ii) Perfect square iii) perfect thx $\displaystyle n^2- 1= (n-1)(n+1)$ so there is no perfect square one more than a prime, so no twin primes whose mid term is a perfect square. I think you can do something similar for triangular numbers. I have no idea at all about perfect numbers.
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