Question

Can a number be a palindrome in 4 consecutive number bases?

score 1.8k · Answer 1 · 2026-03-25 20:15:15

1.8k

Views

Can a number be a palindrome in 4 consecutive number bases?

Published on 25 Mar 2026 - 20:15

score 167 · Answer 2 · 2026-04-09 07:36:28

167

Views

Are there useful criterions whether a positive integer is the difference ot two positive cubes?

Published on 09 Apr 2026 - 7:36

score 64 · Answer 3 · 2026-03-28 15:11:54

64

Views

Finding c knowing $c = 3k + 2$, $c = 4l + 3$ and $100 \leq c \leq 110$

Published on 28 Mar 2026 - 15:11

score 115 · Answer 4 · 2026-04-17 05:35:30

115

Views

Find number of solution of diophantine equation

Published on 17 Apr 2026 - 5:35

score 44 · Answer 5 · 2026-04-11 17:42:07

44

Views

what is the value of square Z over the integers in general case?

Published on 11 Apr 2026 - 17:42

score 155 · Answer 6 · 2026-04-16 07:43:41

155

Views

Finding out the number of values of $n$ and $x$ such that $x^2+615=2^n$

Published on 16 Apr 2026 - 7:43

score 206 · Answer 7 · 2026-04-17 03:01:05

206

Views

Solve $x^2+y^2+z^2+xy+yz+zx = 2w^2$

Published on 17 Apr 2026 - 3:01

score 346 · Answer 8 · 2026-04-16 04:28:48

346

Views

Find all solutions the diophantine equation $x^2+y^2=z^2+w^2+1$

Published on 16 Apr 2026 - 4:28

score 169 · Answer 9 · 2026-04-12 03:19:14

169

Views

When does a solution exist for this Diophantine equation with prime coefficients?

Published on 12 Apr 2026 - 3:19

score 66 · Answer 10 · 2026-04-14 01:29:38

66

Views

Find the value of a which form the equation

Published on 14 Apr 2026 - 1:29

score 950 · Answer 11 · 2026-04-18 02:46:56

950

Views

Finding integer solutions of $ 2^{m} + 1 = 3^{n} $.

Published on 18 Apr 2026 - 2:46

score 123 · Answer 12 · 2026-04-14 17:46:54

123

Views

Looking at the Diophantine equation $x^2 - 31y^2 = -1$, I know that it is not solvable but am not sure how to prove why it isn't solvable.

Published on 14 Apr 2026 - 17:46

score 103 · Answer 13 · 2026-04-16 22:53:34

Show that if $p$ and $q$ are primes $\equiv 3$(mod $4$) then at least one of the equations $px^{2}-qy^{2} = \pm 1$ is soluble in integers $x, y$.

score 213 · Answer 14 · 2026-03-26 02:56:24

213

Views

Number of solutions of $x+2y+3z=2n+k$ where $1 \leq x,y,z,k \leq n$ is about $\frac 14 n^2$

Published on 26 Mar 2026 - 2:56

score 211 · Answer 15 · 2026-03-26 12:47:55

211

Views

Can $\frac{a^4}{b^3}$ be arbitary close to $1$?

Published on 26 Mar 2026 - 12:47

List Question

Can a number be a palindrome in 4 consecutive number bases?

Are there useful criterions whether a positive integer is the difference ot two positive cubes?

Finding c knowing $c = 3k + 2$, $c = 4l + 3$ and $100 \leq c \leq 110$

Find number of solution of diophantine equation

what is the value of square Z over the integers in general case?

Finding out the number of values of $n$ and $x$ such that $x^2+615=2^n$

Solve $x^2+y^2+z^2+xy+yz+zx = 2w^2$

Find all solutions the diophantine equation $x^2+y^2=z^2+w^2+1$

When does a solution exist for this Diophantine equation with prime coefficients?

Find the value of a which form the equation

Finding integer solutions of $ 2^{m} + 1 = 3^{n} $.

Looking at the Diophantine equation $x^2 - 31y^2 = -1$, I know that it is not solvable but am not sure how to prove why it isn't solvable.

Show that if $p$ and $q$ are primes $\equiv 3$(mod $4$) then at least one of the equations $px^{2}-qy^{2} = \pm 1$ is soluble in integers $x, y$.

Number of solutions of $x+2y+3z=2n+k$ where $1 \leq x,y,z,k \leq n$ is about $\frac 14 n^2$

Can $\frac{a^4}{b^3}$ be arbitary close to $1$?

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