Properties of the Number -42804

Forty-Two Thousand Eight Hundred Four

Basics

Value: -42805 → -42804 → -42803

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 ² × 3 ² × 29 × 41

Divisors: 1, 2, 3, 4, 6, 9, 12, 18, 29, 36

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1010011100110100

Octal: -123464

Duodecimal: -20930

Hexadecimal: -a734

Square: 1832182416

Square Root: 206.8912757948

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

a(n) = σ(n)*Pell(n), where σ(n) = A000203(n), the sum of divisors of n. A204271

E.g.f. satisfies A(x) = 1 - x·A(x)³*log(1 - x·A(x)³). A371231

Sequence of distinct least positive numbers such that the average of the first n terms is a cube. A245624

Numbers n such that n·x/(x-1) produces a rotation of the digits in n for some value of x. A288669

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 65", based on the 5-celled von Neumann neighborhood. A270085

Total volume of all rectangular prisms with dimensions p, q and (p + q)/2 such that p and q are squarefree, n = p + q and p <= q. A303222

a(n) = (n + 2)*(n² + n - 1). A318765

σ(n) + n is a cube. A114070

The number of partitions of the set [n] where each element can be colored 1 or 2 avoiding the patterns 1¹²^2 and 1²²^1 in the pattern sense. A209629