Properties of the Number -6864

Eight Hundred Sixty-Four

Basics

Value: -6865 → -6864 → -6863

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 2 ⁴ × 3 × 11 × 13

Divisors: 1, 2, 3, 4, 6, 8, 11, 12, 13, 16

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1101011010000

Octal: -15320

Duodecimal: -3B80

Hexadecimal: -1ad0

Square: 47114496

Square Root: 82.84926070883192

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

Expansion of (1-4·x)^13/2. A20925

Fifth column (m=4) of triangle A128494. A128499

Coefficients of Jacobi cusp form of index 1 and weight 10. A3784

Triangle of coefficients, read by rows, where T(n,k) is the coefficient of xⁿ*y^k in f(x,y) that satisfies f(x,y) = (1+x) - x²*(1+x)² + xy·f(x,y)². A86612

A triangle of coefficients of A053122 type binomials {x,y},{y,z} and {z,x}, made using A_n Cartan type matrix characteristic polynomials: an(x,n) = CharacteristicPolynomial(M(A_n,n)); f(x,y,n) = Sum[Coefficients(an[x,n)*xⁱ*y^n-i,{i,0,n}]; p(x,y,z,n) = f(x,y,n) + f(y,z,n) + f(z,x,n). A139584

∑_m=0..(n-1)/2 A176263(n-m-1, m). A178134

Z-sequence for the Riordan triangle A111125. A217477

Triangle read by rows, T(n, k) = [x^k] (-2)ⁿ*GegenbauerC(n, -1/2, x). A353596

Coordination sequence for "reo-e" 3D uniform tiling. A299281

Number of n-step walks on a line starting from the origin but not returning to it. A63886