Properties of the Number 26091

Twenty-Six Thousand Ninety-One

Basics

Value: 26090 → 26091 → 26092

Parity: odd

Prime: No

Previous Prime: 26083

Next Prime: 26099

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 13 × 223

Divisors: 1, 3, 9, 13, 39, 117, 223, 669, 2007, 2899

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 110010111101011

Octal: 62753

Duodecimal: 13123

Hexadecimal: 65eb

Square: 680740281

Square Root: 161.52708751166165

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 (n+1)X(k+1) 0..2 arrays with the difference between each 2X2 subblock maximum and minimum lexicographically nondecreasing columnwise and nonincreasing rowwise. A236490

Expansion of ∏_k>=1 1/(1 - (4·k-1)*x^4·k-1). A265828

Numbers n such that there are precisely 11 groups of orders n and n + 1. A295994

T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with the difference between each 2X2 subblock maximum and minimum lexicographically nondecreasing rowwise and columnwise. A235437

Number of compositions of n into square parts k² where there are k sorts of part k². A240944

Number of ternary words of length n that are not "bifix-free". A94538

a(n) = A094538(n)/3. A94539

Number of (n+1) X (1+1) 0..2 arrays with the difference between each 2 X 2 subblock maximum and minimum lexicographically nondecreasing rowwise and columnwise. A235432

Number of (n+1)X(4+1) 0..2 arrays with the difference between each 2X2 subblock maximum and minimum lexicographically nondecreasing rowwise and columnwise. A235435

Number of (n+1)X(4+1) 0..2 arrays with the difference between each 2X2 subblock maximum and minimum lexicographically nondecreasing columnwise and nonincreasing rowwise. A236488