Properties of the Number 86304

Eighty-Six Thousand Three Hundred Four

Basics

Value: 86303 → 86304 → 86305

Parity: even

Prime: No

Previous Prime: 86297

Next Prime: 86311

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 ⁵ × 3 × 29 × 31

Divisors: 1, 2, 3, 4, 6, 8, 12, 16, 24, 29

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101000100100000

Octal: 250440

Duodecimal: 41B40

Hexadecimal: 15120

Square: 7448380416

Square Root: 293.77542443165663

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

Numbers k such that σ(k) = 9*φ(k). A163667

Integers n such that σ(n)/φ(n) is a perfect square. A293391

Numbers n such that the arithmetic, geometric and harmonic means of φ(n) and σ(n) are all integers. A65146

Numbers k such that φ(k) is equal to A008473(k). A39779

Graham-Sloane-type lower bound on the size of a ternary (n,3,5) constant-weight code. A30505

Balanced refactorable numbers. A78543

a(n) = (2·n+23)*n*(n-1), a coefficient appearing in the formula a(n)*π/324+n+1 giving the average number of regions into which n random planes divide the cube. A248598

Numbers whose even divisors have an integer harmonic mean. A348412

Number of 5-step left-handed knight's tours (moves only out two, left one) on an n X n board summed over all starting positions. A187175

Partial sums of A100119. Sum of first n of the n-th centered n-gonal numbers. A130218