Properties of the Number -9620

Six Hundred Twenty

Basics

Value: -9621 → -9620 → -9619

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 ² × 5 × 13 × 37

Divisors: 1, 2, 4, 5, 10, 13, 20, 26, 37, 52

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10010110010100

Octal: -22624

Duodecimal: -5698

Hexadecimal: -2594

Square: 92544400

Square Root: 98.08159868191383

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 ∑_k>=0 k² * x^k/(1 + k·x). A349853

A triangular array made from polynomial coefficients of A049614. A118687

Array: row n shows the coefficients of the characteristic polynomial of the n-th principal submatrix of min(i,j)² (A106314). A204020

Magnetic susceptibility coefficients for square lattice spin 3/2 Ising model. A10118

E.g.f.: (sqrt(π)/2)*erf(log(1-x)). A86934

G.f. A(x) satisfies: 4ⁿ/2 = ∑_k=0..n [x^k]A(x)ⁿ and also satisfies: ((4+z)ⁿ + zⁿ)/2 = ∑_k=0..n [x^k](A(x)+z·x)ⁿ for all z, where [x^k]A(x)ⁿ denotes the coefficient of x^k in A(x)ⁿ. A100240

Apéry-like numbers for the constant 1/e: a(n) = (1/(n-1)!)*∑_{k = 0..n-1} binomial(n-1,k)*(2·n-k)!. A143414

Heinz numbers of perfect integer partitions. A325780

Irregular triangle read by rows with trailing zeros removed where T(n,k) is the number of labeled simple graphs with n vertices and non-spanning edge-connectivity k. A327148

Integers n >= 1 such that n divides 0!-1!+2!-3!+4!-...+(-1)^n-1(n-1)!. A64383