Properties of the Number 26590

Twenty-Six Thousand Five Hundred Ninety

Basics

Value: 26589 → 26590 → 26591

Parity: even

Prime: No

Previous Prime: 26573

Next Prime: 26591

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 × 5 × 2659

Divisors: 1, 2, 5, 10, 2659, 5318, 13295, 26590

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110011111011110

Octal: 63736

Duodecimal: 1347A

Hexadecimal: 67de

Square: 707028100

Square Root: 163.06440445419105

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 - x² - x⁶ + x⁸). A225391

Number of n-step three-sided prudent self-avoiding walks. A191823

a(0) = 1, a(n) = 23·n² + 2 for n>0. A10013

Closed 3-dimensional ball numbers (version 2): a(n)= number of integer points (i,j,k) contained in a closed ball of diameter n, centered at (1/2,0,0). A53593

Numbers that contain as proper substrings every maximal prime power dividing them. A59401

E.g.f.: 1 / (1 - x * (2 + x) * exp(x)). A336960

Let P(A) denote the power set of an n-element set A. Then a(n) = the number of pairs of elements {x,y} of P(A) for which either 0) x and y are disjoint and for which·is not a subset of y and y is not a subset of x, 1) x and y are disjoint and for which either·is a subset of y or y is a subset of x, or 2) x and y intersect but for which·is not a subset of y and y is not a subset of x. A133789

a(n) = T(2·n, n), where T is given by A026584. A26590

The (1,1)-term of the 3 X 3 matrix Mⁿ, where M = [1,2,3 / 4,7,11 / 6,10,16]. A95898