Properties of the Number 85261

Eighty-Five Thousand Two Hundred Sixty-One

Basics

Value: 85260 → 85261 → 85262

Parity: odd

Prime: No

Previous Prime: 85259

Next Prime: 85297

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 11 × 23 × 337

Divisors: 1, 11, 23, 253, 337, 3707, 7751, 85261

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10100110100001101

Octal: 246415

Duodecimal: 41411

Hexadecimal: 14d0d

Square: 7269438121

Square Root: 291.9948629685118

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

Expansion of 1/((1+x)*(1-x)⁵). A1752

a(n) = n*(n + 1)*(2·n² + 2·n - 1)/6. A6324

G.f. 1/(1-sum(n=1,N,x^n*(3·n-1/2))). A181324

Number of integers in n-th generation of tree T(2^-1/3) defined in Comments. A274158

Numbers k such that σ(k) and σ(k+1) are nontrivial powers (A065496). A65522

Expansion of χ(x) / φ(x²) in powers of·where φ(), χ() are Ramanujan θ functions. A85261

Number of nX4 0..1 arrays with every element equal to 0, 2, 3, 4, 5, 6 or 8 king-move adjacent elements, with upper left element zero. A299817