Properties of the Number -18932

Eighteen Thousand Nine Hundred Thirty-Two

Basics

Value: -18933 → -18932 → -18931

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 ² × 4733

Divisors: 1, 2, 4, 4733, 9466, 18932

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100100111110100

Octal: -44764

Duodecimal: -AB58

Hexadecimal: -49f4

Square: 358420624

Square Root: 137.59360450253493

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

T(n,k)=Number of nXk 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 1 or 2 neighboring 1s. A297506

Expansion of ∑_k>0 (1/(1 - k·x^k)² - 1). A362683

Number of partitions p of n such that (number of numbers of the form 3k+2 in p) is a part of p. A241548

Denominators of continued fraction convergents to sqrt(518). A41991

Even numbers n such that 37² (the square of the first irregular prime) divides the numerator of Bernoulli(n). A90789

Number of partitions of n into parts not of the form 15k, 15k+7 or 15k-7. Also number of partitions with at most 6 parts of size 1 and differences between parts at distance 6 are greater than 1. A35961

a(n) = sigma₃(n) - sigma₂(n). A92349

Triangle T(n, k) = [x^k] p(n, x), where p(n, x) = (1/n)*(1-x)^2·n * ∑_{j >= 0} binomial(n+j-1, j) * jⁿ * x^j-1. A152260

Partial sums of A160410. A160799

Number of strings of numbers x(i=1..n) in 0..2 with sum i²*x(i)² equal to n²*4. A184233