Properties of the Number -5786

Seven Hundred Eighty-Six

Basics

Value: -5787 → -5786 → -5785

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 × 11 × 263

Divisors: 1, 2, 11, 22, 263, 526, 2893, 5786

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1011010011010

Octal: -13232

Duodecimal: -3422

Hexadecimal: -169a

Square: 33477796

Square Root: 76.06576102294646

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

Alternating sum of centered heptagonal pyramidal numbers. A270694

Expansion of 1/((1+x)*(1-x)⁵). A1752

Numbers n such that Bernoulli number B_n has denominator 138. A271635

Number of connected regular graphs with n nodes and girth at least 5. A186725

a(n) = n*(n + 1)*(2·n² + 2·n - 1)/6. A6324

Expansion of (1-x)*(1+x)/(1-2·x-x²+x³). A52534

Number of relatively prime strict compositions of n with no 1's. A337451

T(n,k) is the number of (n+1) X (k+1) 0..4 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 4, with no adjacent elements equal (constant-stress tilted 1 X 1 tilings). A235087

Integer averages of the set of the first positive squares up to some n². A164576

Let i be in {1,2,3}, let r >= 0 be an integer and n=2·r+i-1. Then a(n)=a(2·r+i-1) gives the quantity of H_7,2,0 tiles in a subdivided H_7,i,r tile after linear scaling by the factor x^r, where x=sqrt((2·cos(π/7))²-1). A187069