Top network posts

• 33 For what kind of positive integers $m+n+m^2+n^2 \mid m^3+n^3$ holds?
• 29 On the arithmetic differential equation $n''=n'$
• 28 How to find all polynomials satisfying $P(x^2+x-4)=P^2(x)+P(x)$?
• 15 Positive integers $a,b$ satisfying $a^3+a+1=3^b$
• 13 What does "as intuitive as mud" mean?
• 12 Power Diophantine equation involving primes: $(p+q)^q-p^q-q^q+1=n^{p-q}$
• 10 If $p$, $q$ are naturals, solve $p^3-q^5=(p+q)^2$.
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