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Fixee
  • Member for 13 years, 2 months
  • Last seen more than a month ago
  • California
38 votes

What are some examples of a mathematical result being counterintuitive?

36 votes
Accepted

Difference between $:=$ and $=$

32 votes
Accepted

Intuitive understanding of why the sum of nth roots of unity is $0$

31 votes
Accepted

How do you say $10$ when it's in binary?

21 votes
Accepted

Recommended Math knowledge for programming

16 votes

Proof that there are infinitely many prime numbers starting with a given digit string

16 votes

What does $\mathrm{Re}(x)$ mean?

15 votes
Accepted

RSA: is it easy to find the public key from the secret key?

12 votes
Accepted

Where did the word "logarithm" come from?

12 votes
Accepted

Is it possible to guess an AES key from a series of messages encrypted with that key?

11 votes

Mathematical continuation of sequence:$\space \ldots, 7,6,6,6,6,6,5,5,5,5,4,4,4,3,3,2,$?

10 votes
Accepted

str = md5( str ), String equals hash value of the string

10 votes
Accepted

how to determine if two graphs are not isomorphic

10 votes
Accepted

What set of $10$-digit numbers with $k$ prime factors has largest cardinality?

9 votes

Deleting any digit yields a prime... is there a name for this?

8 votes

Name of a 6 vertices graph

7 votes

Evaluate $ \binom{n}{0}+\binom{n}{2}+\binom{n}{4}+\cdots+\binom{n}{2k}+\cdots$

7 votes

Help to understand material implication

7 votes

Subset sum problem is NP-complete?

7 votes

No prime number between number and square of number

7 votes

Intermediate Text in Combinatorics?

7 votes
Accepted

Decryption Problem

7 votes

To prove there exist two relatively prime numbers in a finite set.

7 votes

Why $\,\gcd(a,b) = \gcd(b,a\bmod b)$? [understanding Euclidean algorithm]

6 votes

How to prove $\log n < n$?

6 votes
Accepted

Four men, hats and probability

6 votes

Rainbow Hats Puzzle

5 votes

How to find generator in a finite group?what is generator?

5 votes
Accepted

Calculating the highest possible damage achievable using 6 items from a pool of ~25

4 votes
Accepted

Expected tail and head length of $\rho$ for a finite random function