Properties of the Number -26807

Twenty-Six Thousand Eight Hundred Seven

Basics

Value: -26808 → -26807 → -26806

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

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