Properties of the Number 26909

Twenty-Six Thousand Nine Hundred Nine

Basics

Value: 26908 → 26909 → 26910

Parity: odd

Prime: No

Previous Prime: 26903

Next Prime: 26921

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 71 × 379

Divisors: 1, 71, 379, 26909

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110100100011101

Octal: 64435

Duodecimal: 136A5

Hexadecimal: 691d

Square: 724094281

Square Root: 164.03962935827428

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

Numbers m that generate rotationally symmetrical XOR-triangles T(m) that have central triangles of zeros. A334769

Principal diagonal of the convolution array A213587. A213588

a(n) = 28·n² + 1. A158556

a(n) = 961·n + 1. A158414

a(n) = s(1)s(n) + s(2)s(n-1) + ... + s(k)s(n+1-k), where k = [ (n+1)/2 ], s = (F(2), F(3), ...). A24591

a(n) = 8·n³ - 6·n - 1. A369922

a(n) = (1/2)*A026907(2·n, n). A26909

Numbers k such that μ(k)+μ(k+1) = 0. A74819