Properties of the Number -5186

One Hundred Eighty-Six

Basics

Value: -5187 → -5186 → -5185

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 × 2593

Divisors: 1, 2, 2593, 5186

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1010001000010

Octal: -12102

Duodecimal: -3002

Hexadecimal: -1442

Square: 26894596

Square Root: 72.01388754955533

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

Number of points on surface of octahedron; also coordination sequence for cubic lattice: a(0) = 1; for n > 0, a(n) = 4n² + 2. A5899

Number of partitions of n into relatively prime parts such that multiplicities of parts are also relatively prime. A100953

Numbers k such that φ(k) = φ(k+1). A1274

Number of distinct products i·j*k with 1 <= i < j < k <= n. A27430

Coordination sequence for (3,3,5) tiling of hyperbolic plane. A265072

Coordination sequence for C₃ lattice: a(n) = 16·n² + 2 (n>0), a(0)=1. A10006

Numbers that are equal to the sum of their anti-divisors. A73930

Triangle read by rows in which row n lists n+1 terms, starting with n, such that the difference between successive terms is equal to n⁴ - 1. A162622

Numbers n such that uphi(n) = uphi(n+1), where uphi(n) is the unitary totient function (A047994). A287055

T(n,k)=Number of nXk 0..4 arrays with each element·equal to the number of its horizontal and vertical neighbors equal to 4,0,1,2,3 for x=0,1,2,3,4. A196685