Properties of the Number -7286

Two Hundred Eighty-Six

Basics

Value: -7287 → -7286 → -7285

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 × 3643

Divisors: 1, 2, 3643, 7286

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

5184 Try Today's Challenge

Representations

Binary: -1110001110110

Octal: -16166

Duodecimal: -4272

Hexadecimal: -1c76

Square: 53085796

Square Root: 85.3580693314932

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) is the number of distinct (infinite) output sequences from binary n-stage shift register which feeds back the complement of the last stage. A16

Array read by antidiagonals: T(n,k) is the number of unlabeled k-gonal 2-trees with n polygons, n >= 0, k >= 2. A340811

Least exponent k such that 3^k has exactly n consecutive 4's in its decimal representation. A131549

Number of nonisomorphic circulant tournaments, i.e., Cayley tournaments for cyclic group of order 2n-1. A49288

Numbers that are the sum of eight fifth powers in two or more ways. A345610

Numbers that are the sum of eight fifth powers in exactly two ways. A346327

Expansion of (1-2x²)/((1-2x)(1+x)²). A113954

G.f. A(x) satisfies: 2·x*A(x) = ∑_n=-oo..+oo (-1)ⁿ * x^n*(n+1/2) * A(x)ⁿ. A355362

Triangular array T(n,k) giving coefficients in expansion of ∏_j=1..n (1+x^j)² mod xⁿ⁺¹-1. A300628

Number of circulant tournaments on 2n+1 nodes up to Cayley isomorphism. A2086