Properties of the Number -5168

One Hundred Sixty-Eight

Basics

Value: -5169 → -5168 → -5167

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 ⁴ × 17 × 19

Divisors: 1, 2, 4, 8, 16, 17, 19, 34, 38, 68

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1010000110000

Octal: -12060

Duodecimal: -2BA8

Hexadecimal: -1430

Square: 26708224

Square Root: 71.88880302244571

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

Reversion of x - x² + x⁵. A63028

Number of binary vectors of length n containing no singletons. A6355

a(1) = 1 and a(n) = ceiling((∑_k=1..n-1 a(k))/3) for n >= 2. A72493

Layer counting sequence for hyperbolic tessellation by cuspidal triangles of angles (π/3,π/3,0) (this is the classical modular tessellation). A54886

Multiples of 16 containing a 16 in their decimal representation. A121036

Number of n-digit numbers N that do not end with 0 and are such that the reversal of N divides N but is different from N. A214927

Table of coefficients of polynomials related to the Dirichlet η function. A156919

Consider the base-9 Kaprekar map n->K(n) defined in A165110. Sequence gives numbers belonging to cycles, including fixed points. A165115

Expansion of g.f. x*(1+x+x²)/(1-x-x²). A128588

a(0) = 1, then twice the Fibonacci sequence. A55389