# CODE

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bio website just-for-the-badge.com location Iran age 17 member for 1 year, 7 months seen Dec 17 at 15:43 profile views 237

High-school student.
Contact me at : code2.sandy2@yahoo.com

# 34 Questions

 46 Does $\lfloor \sqrt{p} \rfloor$ generate all natural numbers? 15 Prove that the product of some numbers between perfect squares is $2k^2$ 13 Prime with digits reversed is prime? 13 Prove $a+b+c+d$ is composite 13 $x^2+x+1$ is the cube of a prime.

# 1,685 Reputation

 +25 Does $\lfloor \sqrt{p} \rfloor$ generate all natural numbers? +10 Prime with digits reversed is prime? +15 All solutions of $a+b+c=abc$ in natural numbers +5 A question about the divisibility of sum of 2 consecutive primes.

 12 Find all answers of $n^2-2^m=1$ 5 $p^{3}+m^{2}$ is square of a number. 5 Prove $a+b+c+d$ is composite 4 Let $p$ be the largest prime less than or equal to $n$. Is $n$ $\underline{<}$ $p^2$ 3 Prove that $\tan55^\circ\cdot\tan65^\circ\cdot\tan75^\circ=\tan85^\circ$

# 40 Tags

 27 elementary-number-theory × 32 5 calculus × 3 14 prime-numbers × 14 4 trigonometry × 4 13 number-theory × 16 4 arithmetic × 3 13 algebra-precalculus × 9 2 inequality × 3 12 diophantine-equations × 2 2 arithmetic-functions × 2

# 3 Accounts

 Mathematics 1,685 rep 533 MathOverflow 106 rep 4 Stack Overflow 103 rep 4