Properties of the Number -4686

Six Hundred Eighty-Six

Basics

Value: -4687 → -4686 → -4685

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 2 × 3 × 11 × 71

Divisors: 1, 2, 3, 6, 11, 22, 33, 66, 71, 142

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1001001001110

Octal: -11116

Duodecimal: -2866

Hexadecimal: -124e

Square: 21958596

Square Root: 68.45436436049933

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

Expansion of g.f. A(x) satisfying A(x) = A(x³ + x⁴) / A(x²). A372529

Denominators of Bernoulli numbers B_2n. A2445

1 followed by A027760, a variant of Bernoulli number denominators. A141056

Numbers k such that (k! - 2)/2 is a prime. A82671

Number of integer compositions of n that are not the first sums of any finite nonnegative sequence. A391645

Denominators of Bernoulli numbers B₀, B₁, B₂, B₄, B₆, ... A6954

Coefficient of q² in ν(n), where ν(0)=1, ν(1)=b and, for n>=2, ν(n)=b*ν(n-1)+λ*(1+q+q²+...+q^n-2)*ν(n-2) with (b,λ)=(1,1). A74082

Write cosec x = 1/x + Sum e_n x^2n-1/(2n-1)!; sequence gives denominators of e_n. A36283

Bernoulli denominators A141056(n), with the exception a(1)=1. A176591

Numbers k such that 3·2^k + 35 is prime. A59759