Properties of the Number 26656

Twenty-Six Thousand Six Hundred Fifty-Six

Basics

Value: 26655 → 26656 → 26657

Parity: even

Prime: No

Previous Prime: 26647

Next Prime: 26669

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 ⁵ × 7 ² × 17

Divisors: 1, 2, 4, 7, 8, 14, 16, 17, 28, 32

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 110100000100000

Octal: 64040

Duodecimal: 13514

Hexadecimal: 6820

Square: 710542336

Square Root: 163.2666530556684

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

Decimal representation of the x-axis, from the left edge to the origin, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 270", based on the 5-celled von Neumann neighborhood. A280465

a(n) = [xⁿ] ((1 - x)*x)/((1 - 2·x)²*(2·x² - 2·x + 1)). A321959

Minimal covering numbers. A160559

O.g.f.: ∑_n>=0 2·nⁿ * (3·n+2)^n-1 * exp(-n*(3·n+2)*x) * xⁿ / n!. A217912

Number of s in {1,...,n}ⁿ having shortest run with the same value of length 5. A228631

Number of symmetric primitive Lucas strings of length n. A250112

Eigentriangle of A001263: T(n,k) = A001263(n+1,k+1)*A102812(k). A143778

Expansion of x*(1-x)²/( (1-2·x²)*(1-2·x)²). A178945

Numbers n such that n!3 - 3⁵ is prime. A247465

Number of 2 X 2 matrices with entries in {0,1,...,n} and even determinant with no entry repeated. A277044