Properties of the Number -105560

One Hundred Five Thousand Five Hundred Sixty

Basics

Value: -105561 → -105560 → -105559

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 ³ × 5 × 7 × 13 × 29

Divisors: 1, 2, 4, 5, 7, 8, 10, 13, 14, 20

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -11001110001011000

Octal: -316130

Duodecimal: -51108

Hexadecimal: -19c58

Square: 11142913600

Square Root: 324.8999846106491

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 polygon edges formed when every pair of vertices of a regular n-gon are joined by an infinite line. A344899

a(n) = floor( n(n+1)(n+2)(n+3)(n+4) / (n+(n+1)+(n+2)+(n+3)+(n+4)) ). A32768

Denominators a(n) of Pythagorean approximations b(n)/a(n) to 1/4. A195562

Number of polygon edges formed when every pair of vertices of a regular 2n-gon are joined by an infinite line. A347322

a(n) = ∑_{k=0..floor(3·n/8)} binomial(k+2,2) * binomial(k,3·n-8·k). A392316

Integer quotients of n(n + 1)(n + 2)(n + 3)(n + 4) / (n+(n+1)+(n+2)+(n+3)+(n+4)). A32770

Denominators of continued fraction convergents to sqrt(381). A41723

a(n) = 8·a(n-1) + 27·a(n-2), with a(0)=0, a(1)=1. A190943

Degrees of irreducible representations of Rudvalis group Ru. A3918

Magnetic susceptibility coefficients for square lattice spin 3/2 Ising model. A10118