Properties of the Number 86684

Eighty-Six Thousand Six Hundred Eighty-Four

Basics

Value: 86683 → 86684 → 86685

Parity: even

Prime: No

Previous Prime: 86677

Next Prime: 86689

Digit Sum: 32

Digital Root: 5

Palindrome: No

Factorization: 2 ² × 13 × 1667

Divisors: 1, 2, 4, 13, 26, 52, 1667, 3334, 6668, 21671

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101001010011100

Octal: 251234

Duodecimal: 421B8

Hexadecimal: 1529c

Square: 7514115856

Square Root: 294.4214666086697

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 length n+4 0..1 arrays with at most two downsteps in every n consecutive neighbor pairs. A256819

a(n) = n! - ∑_i p_i!^e_i, where n = ∏_i (p_i^e_i). A86684