Properties of the Number 25265

Twenty-Five Thousand Two Hundred Sixty-Five

Basics

Value: 25264 → 25265 → 25266

Parity: odd

Prime: No

Previous Prime: 25261

Next Prime: 25301

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 5 × 31 × 163

Divisors: 1, 5, 31, 155, 163, 815, 5053, 25265

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 110001010110001

Octal: 61261

Duodecimal: 12755

Hexadecimal: 62b1

Square: 638320225

Square Root: 158.94967757123635

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

G.f.: ∏_j>=1 ∏_i>=1 (1 + x^i·j). A107742

T(n,k)=Number of length n+4 0..k arrays with some disjoint pairs in every consecutive five terms having the same sum. A247927

Array read by antidiagonals: T(n,k) = number of rooted 2-dimensional polyominoes with k cells, the cells being regular n-gons, with no symmetries removed. A94166

Numbers k for which A354102(k) = A354102(σ(k)). A354106

Coefficients in the expansion of 1/([r]-[2·r]*x+[3·r]*x²-...); [ ]=floor, r=sqrt(e). A288235

Expansion of (1-3x)/(1-x²+x³). A117374

Composite squarefree numbers n such that p(i)-7 divides n+7, where p(i) are the prime factors of n. A225707

Coefficients in the expansion of 1/([r]-[2·r]*x+[3·r]*x²-...); [ ]=floor, r=-4/5+sqrt(6). A288236

Coefficients in the expansion of 1/([r]-[2·r]*x+[3·r]*x²-...); [ ]=floor, r=sqrt(11/4). A288237

Expansion of e.g.f. ∏_k>0 (1 + sin(x)^k / k). A335637