Properties of the Number 26568

Twenty-Six Thousand Five Hundred Sixty-Eight

Basics

Value: 26567 → 26568 → 26569

Parity: even

Prime: No

Previous Prime: 26561

Next Prime: 26573

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 2 ³ × 3 ⁴ × 41

Divisors: 1, 2, 3, 4, 6, 8, 9, 12, 18, 24

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110011111001000

Octal: 63710

Duodecimal: 13460

Hexadecimal: 67c8

Square: 705858624

Square Root: 162.9969324864735

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

a(n) = (prime(n)-1)*(prime(n)+1). A84920

a(n) = sinh(2·arcsinh(n))² = 4·n²*(n² + 1). A173116

a(n) = 6·a(n-1) - 6·a(n-2), with a(0)=1, a(1)=3. A83881

Expansion of 1/((1-x)*(1+x+x²+2·x³)). A77909

a(0) = 1, a(n) = floor(a(n - 1)*π). A134915

Eight times hexagonal numbers: a(n) = 8·n*(2·n-1). A152750

Numbers of the form p⁴*q³*r where p, q, and r are distinct primes. A179698

Number of regions formed when every pair of vertices of a regular n-gon are joined by an infinite line. A345025

a(0)=1, a(1)=3, a(n) = floor((π + 1/π)*a(n-1) - a(n-2)). A85839

a(1) = floor(π) = 3; a(n+1) = floor(a(n)*π). A115239