Properties of the Number 26564

Twenty-Six Thousand Five Hundred Sixty-Four

Basics

Value: 26563 → 26564 → 26565

Parity: even

Prime: No

Previous Prime: 26561

Next Prime: 26573

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 ² × 29 × 229

Divisors: 1, 2, 4, 29, 58, 116, 229, 458, 916, 6641

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8509 Try Today's Challenge

Representations

Binary: 110011111000100

Octal: 63704

Duodecimal: 13458

Hexadecimal: 67c4

Square: 705646096

Square Root: 162.9846618550347

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

T(n,k)=Number of nXk 0..1 arrays avoiding 0 1 0 horizontally and 1 0 0 vertically. A206889

T(n,k)=Number of nXk binary arrays without the pattern 0 1 0 vertically or horizontally. A188774

Number of nX3 binary arrays without the pattern 0 1 0 vertically or horizontally. A188768

Number of connected induced subgraphs in the n-Cameron graph. A387374

Numbers k such that A109631(k) - A109631(k+1) = A109631(k+2). A109715

a(n) = (2·n³ + 5·n² + 5·n)/2. A162267

Number of nX6 binary arrays without the pattern 0 1 0 vertically or horizontally. A188771

Number of nX6 0..1 arrays avoiding 0 1 0 horizontally and 1 0 0 vertically. A206887

Number of length 3 1..(n+1) arrays with every leading partial sum divisible by 2 or 3. A257065

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 565", based on the 5-celled von Neumann neighborhood. A272945