Properties of the Number -22868

Twenty-Two Thousand Eight Hundred Sixty-Eight

Basics

Value: -22869 → -22868 → -22867

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 ² × 5717

Divisors: 1, 2, 4, 5717, 11434, 22868

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -101100101010100

Octal: -54524

Duodecimal: -11298

Hexadecimal: -5954

Square: 522945424

Square Root: 151.22169156572744

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+1) = a(n) + a(n-1) + Fibonacci(n), with a(0) = 0 and a(1) = 1. A29907

Numbers that are the sum of eight fourth powers in exactly nine ways. A345841

The first Zagreb index of the Aztec diamond AZ(n) (see the Ramanes et al. reference, Theorem 2.1). A292344

Shallow diagonal sums of A211226. A211228

Number of polynomials of the form P(x,y) = 1 + (x+y-1) * Q(x,y) such that P(1,1) = n and both polynomials P and Q have nonnegative integer coefficients. A279196

Numbers n such that n² + 1, (n+1)² + 1 and (n+2)² + 1 are divisible by a square. A218048

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 149", based on the 5-celled von Neumann neighborhood. A270319

Coefficients of expansion of:p(t,y)=-Exp[t/4]/(-2 + y·Exp[t/4] + y·Exp[3·t/4]). A171770