User Saikat

63 votes

10 answers

6k views

Big List of Erdős' elementary proofs

asked Jul 5, 2016 at 14:58

23 votes

3 answers

5k views

Find a thousand natural numbers such that their sum equals their product

asked Feb 1, 2016 at 13:18

15 votes

3 answers

996 views

Fun, interesting, slightly advanced books

asked Apr 11, 2015 at 5:14

13 votes

2 answers

885 views

How Does One Begin to Read Mathematical Journals and Papers? [closed]

asked Feb 25, 2016 at 23:47

13 votes

1 answer

166 views

Proving a curious formula of $\pi$?

asked Mar 29, 2016 at 13:43

12 votes

5 answers

15k views

How many subsets contain no consecutive elements?

asked Jun 27, 2016 at 17:06

11 votes

5 answers

5k views

How is Faulhaber's formula derived?

asked Feb 22, 2016 at 15:57

7 votes

1 answer

2k views

How to derive this Hankel's Contour integral formula with gamma function?

asked Jun 27, 2016 at 14:39

5 votes

2 answers

162 views

Find all $n$ such that $\sqrt{5n+2}$ is an integer.

asked Apr 10, 2016 at 6:19

4 votes

1 answer

387 views

How to distribute three kinds of things of $2n$ each equally in between two people?

asked Mar 27, 2016 at 11:35

4 votes

1 answer

675 views

How can I maintain notes while self studying Maths?

asked Apr 26, 2015 at 6:11

4 votes

2 answers

3k views

Is the golden ratio a transcedental number?

asked Sep 27, 2015 at 11:21

4 votes

3 answers

135 views

Big list of journals with free access to back issues.

asked Jul 31, 2016 at 11:37

3 votes

1 answer

104 views

Can I extend mathematical induction to real numbers? [duplicate]

asked Jan 21, 2016 at 0:42

3 votes

1 answer

153 views

Which is larger, $e^\pi$ or $\pi^e$? [duplicate]

asked Jan 30, 2016 at 13:55

3 votes

3 answers

1k views

How does the fact that Fermat primes are relatively prime imply there are infinite primes?

asked Feb 6, 2016 at 8:01

2 votes

0 answers

49 views

How does this inequality imply this one?

asked Mar 13, 2016 at 5:39

2 votes

4 answers

686 views

Can somebody explain Cayley's theorem to me?

asked Feb 21, 2016 at 5:16

2 votes

2 answers

176 views

Monochromatic congruent triangles on a 10-gon

asked May 18, 2016 at 3:27

2 votes

3 answers

457 views

There are infinitely many odd numbers not expressible as the sum of a prime number and a power of $2$

asked Jul 5, 2016 at 12:57

2 votes

2 answers

137 views

How do I find subsequent work done on a paper?

asked Jul 10, 2016 at 8:08

1 vote

3 answers

378 views

$x^2-x+1$ has a root $\!\bmod p\,$ for infinitely many primes $p$

asked Jul 9, 2016 at 7:26

1 vote

1 answer

80 views

Checking proof of simple number theory problem

asked Jul 4, 2016 at 7:11

1 vote

2 answers

82 views

How many ways to select 8 animals among goats, sheep, cows, horses and dogs?

asked Mar 9, 2017 at 0:15

1 vote

0 answers

94 views

What are some sources of recommendations of Mathematical books - both Recreational and Popular Mathematics as well as Technical Mathematics?

asked Jul 4, 2020 at 17:01

1 vote

1 answer

183 views

What is the required group theory knowledge needed to understand Verhoeff's algorithm?

asked Jun 7, 2016 at 5:02

1 vote

1 answer

1k views

Can someone offer an overview of the idea of the proof of prime gaps bounds?

asked Jun 9, 2016 at 13:40

1 vote

1 answer

43 views

Evaluation of complex integral

asked Jun 13, 2016 at 1:42

1 vote

1 answer

145 views

How to approximate the Langford numbers with probability?

asked Jun 24, 2016 at 1:02

1 vote

1 answer

90 views

Proving an inequality about a set of combinations.

asked Jun 26, 2016 at 9:50

Stack Exchange Network

52 Questions

Big List of Erdős' elementary proofs

Find a thousand natural numbers such that their sum equals their product

Fun, interesting, slightly advanced books

How Does One Begin to Read Mathematical Journals and Papers? [closed]

Proving a curious formula of $\pi$?

How many subsets contain no consecutive elements?

How is Faulhaber's formula derived?

How to derive this Hankel's Contour integral formula with gamma function?

Find all $n$ such that $\sqrt{5n+2}$ is an integer.

How to distribute three kinds of things of $2n$ each equally in between two people?

How can I maintain notes while self studying Maths?

Is the golden ratio a transcedental number?

Big list of journals with free access to back issues.

Can I extend mathematical induction to real numbers? [duplicate]

Which is larger, $e^\pi$ or $\pi^e$? [duplicate]

How does the fact that Fermat primes are relatively prime imply there are infinite primes?

How does this inequality imply this one?

Can somebody explain Cayley's theorem to me?

Monochromatic congruent triangles on a 10-gon

There are infinitely many odd numbers not expressible as the sum of a prime number and a power of $2$

How do I find subsequent work done on a paper?

$x^2-x+1$ has a root $\!\bmod p\,$ for infinitely many primes $p$

Checking proof of simple number theory problem

How many ways to select 8 animals among goats, sheep, cows, horses and dogs?

What are some sources of recommendations of Mathematical books - both Recreational and Popular Mathematics as well as Technical Mathematics?

What is the required group theory knowledge needed to understand Verhoeff's algorithm?

Can someone offer an overview of the idea of the proof of prime gaps bounds?

Evaluation of complex integral

How to approximate the Langford numbers with probability?

Proving an inequality about a set of combinations.