Properties of the Number 26807

Twenty-Six Thousand Eight Hundred Seven

Basics

Value: 26806 → 26807 → 26808

Parity: odd

Prime: No

Previous Prime: 26801

Next Prime: 26813

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 11 × 2437

Divisors: 1, 11, 2437, 26807

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110100010110111

Octal: 64267

Duodecimal: 1361B

Hexadecimal: 68b7

Square: 718615249

Square Root: 163.72843369433423

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

Number of partitions of n such that if the length is k then k is not a part. A229816

Number of compositions (ordered partitions) of n into octagonal numbers (A000567). A322800

Numbers k such that 6^k - 7 is prime. A217352

Number of modified skew Dyck paths such that the area between the x-axis and the path is n. A274376

Interprimes which are of the form s·prime, s=11. A75286

a(n) = ∑_k=1..n binomial(2·n, k) * A000005(k). A356372

Triangular array T read by rows: T(n,k) = number of partitions of n in which every part is >=k, for k=1,2,...,n. A26807

Number of nX6 0..2 arrays with every 0 next to a 1 and every 1 next to a 2 horizontally or vertically, with no adjacent values equal. A232063