Properties of the Number -8840

Eight Hundred Forty

Basics

Value: -8841 → -8840 → -8839

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 ³ × 5 × 13 × 17

Divisors: 1, 2, 4, 5, 8, 10, 13, 17, 20, 26

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10001010001000

Octal: -21210

Duodecimal: -5148

Hexadecimal: -2288

Square: 78145600

Square Root: 94.02127418834527

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

Triangle read by rows: T(n,k) = T(n-k,k-1) - 2·T(n-k,k) + T(n-k,k+1) with T(0,0) = 1 for 0 <= k <= A003056(n). A291940

Consider primitive pairs of integers (b, c) with b < 0 such that x⁵ + b·x + c = 0 is irreducible and solvable by radicals: sequence gives values of b. A371557

Triangle of (Gaussian) q-binomial coefficients for q=-21. A15146

a(n) = floor(n(n+2)(2n+1)/8). A2717

Every run of digits of n in base 16 has length 2. A33014

Number of n-moves paths of a king starting and ending at the origin of an infinite chessboard. A94061

Numbers n such that the base-n number formed by concatenating the base-n numbers 1 2 ... n-1 n n-1 ... 2 1 is prime. A260343

a(n) = n³ - n² + n - 1 = (n-1) * (n² + 1). A62158

T(n,k)=Number of length n+5 0..k arrays with no six consecutive terms having the maximum of any three terms equal to the minimum of the remaining three terms. A250014

T(n,k)=Number of length n+2 0..k arrays with some pair in every consecutive three terms totalling exactly k. A245869