Properties of the Number 26521

Twenty-Six Thousand Five Hundred Twenty-One

Basics

Value: 26520 → 26521 → 26522

Parity: odd

Prime: No

Previous Prime: 26513

Next Prime: 26539

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 11 × 2411

Divisors: 1, 11, 2411, 26521

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110011110011001

Octal: 63631

Duodecimal: 13421

Hexadecimal: 6799

Square: 703363441

Square Root: 162.85269417482783

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

Triangle of (Gaussian) q-binomial coefficients for q = -13. A15129

a(n) = n⁴ - n³ + n² - n + 1. A60884

Gaussian binomial coefficient [ n,4 ] for q = -13. A15303

Expansion of f(-x) * ψ(x²) * φ(x³) / f(-x³)³ in powers of·where φ(), ψ(), f() are Ramanujan θ functions. A230256

q-integers for q=-13. A15000

Cyclotomic polynomials at x=13. A19331

Strong pseudoprimes to base 13. A20239

Volume of sphere (rounded down) with the diameter equal to n. A228272

a(n) = 1 - σ(n) + σ(n)² - σ(n)³ + σ(n)⁴. A259410

Indices of records in A307730. A348449