Properties of the Number -8400

Four Hundred

Basics

Value: -8401 → -8400 → -8399

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 2 ⁴ × 3 × 5 ² × 7

Divisors: 1, 2, 3, 4, 5, 6, 7, 8, 10, 12

Polygonal

Triangular: No

Square: No

Pentagonal: Yes

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10000011010000

Octal: -20320

Duodecimal: -4A40

Hexadecimal: -20d0

Square: 70560000

Square Root: 91.6515138991168

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

a(n) = -a(n-1) - a(n-2) + a(n-3), a(0)=0, a(1)=0, a(2)=1. A57597

Coefficient triangle of generalized Laguerre polynomials n!*L(n,3,x) (rising powers of x). A62137

Coefficients of the signed Fubini polynomials in ascending order, F_n(x) = ∑_k=0..n (-1)ⁿ*Stirling2(n,k)*k!*(-x)^k. A278075

E.g.f.: 2·cosh(1) - ∑_n>=0 (1 + xⁿ)ⁿ * exp(-xⁿ) / n!. A326426

Triangle T(n,k) with the coefficient [x^k] (n+1)!* C(n,x), in row n, column k, where C(.,.) are the Bernoulli twin number polynomials of A129378. A140333

A triangle related to the GF(z) formulas of the rows of the ED2 array A167560. A167568

Expansion of ∏_m>=1 (1+m·q^m)^-21. A22713

Triangle T(n,k) = A008297(n,k) + A008297(n,n-k+1), read by rows. A169653

Triangle read by rows, coefficients of the polynomials P(n,x) = (-1)ⁿ*hypergeom( [n,-n], [], x), powers in descending order. A278071

Expansion of cos(sin(x)*log(1+x)). A9049