Properties of the Number 26918

Twenty-Six Thousand Nine Hundred Eighteen

Basics

Value: 26917 → 26918 → 26919

Parity: even

Prime: No

Previous Prime: 26903

Next Prime: 26921

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 × 43 × 313

Divisors: 1, 2, 43, 86, 313, 626, 13459, 26918

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 110100100100110

Octal: 64446

Duodecimal: 136B2

Hexadecimal: 6926

Square: 724578724

Square Root: 164.06705946045355

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..3 arrays with no element less than a strict majority of its horizontal, diagonal and antidiagonal neighbors. A231940

T(n,k)=Number of (n+6)X(k+6) 0..1 matrices with each 7X7 subblock idempotent. A224588

T(n,k)=Number of nXk 0..3 arrays with no element less than a strict majority of its horizontal and vertical neighbors. A231746

a(n) = ∑_j=0..n ∑_k=0..j Stirling2(j - k, k). A320964

Number of outerplanar graphs on n unlabeled nodes. A111564

Number of nX2 0..3 arrays with no element less than a strict majority of its horizontal and vertical neighbors. A231741

Number of (n+6)X8 0..1 matrices with each 7X7 subblock idempotent. A224582

Number of nX6 0..3 arrays with no element less than a strict majority of its horizontal and vertical neighbors. A231745

Number of (n+6)X(n+6) 0..1 matrices with each 7X7 subblock idempotent. A224580

Number of 6Xn 0..3 arrays with no element less than a strict majority of its horizontal, diagonal and antidiagonal neighbors. A231945