Properties of the Number -8809

Eight Hundred Nine

Basics

Value: -8810 → -8809 → -8808

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 23 × 383

Divisors: 1, 23, 383, 8809

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10001001101001

Octal: -21151

Duodecimal: -5121

Hexadecimal: -2269

Square: 77598481

Square Root: 93.85627309881849

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

Matrix inverse of triangle A055340(n+1,k). A55347

Expansion of 1/(1 - x*∏_k>=1 1/(1 + x^k)). A299208

Numbers n such that the decimal number concat(3,n) is a square. A273358

Numbers k such that k*(k+9) gives the concatenation of two numbers m and m-5. A116258

Number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 299", based on the 5-celled von Neumann neighborhood. A271152

Number of total dominating sets in the n-antiprism graph. A302760

O.g.f. A(x) satisfies: [xⁿ] 1/(1-x)^n³ / exp( n²*A(x) ) = 0 for n >= 1. A319836

Number of partitions of the (n+2)-multiset {0,...,0,1,2} with n 0's into distinct multisets. A346822

a(n) = ∑_k=1..n k·floor(n/k)³. A350108

Integers n > 1997 such that the 'Reverse and Add!' trajectory of n joins the trajectory of 1997. A63055