Properties of the Number 85664

Eighty-Five Thousand Six Hundred Sixty-Four

Basics

Value: 85663 → 85664 → 85665

Parity: even

Prime: No

Previous Prime: 85661

Next Prime: 85667

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 2 ⁵ × 2677

Divisors: 1, 2, 4, 8, 16, 32, 2677, 5354, 10708, 21416

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10100111010100000

Octal: 247240

Duodecimal: 416A8

Hexadecimal: 14ea0

Square: 7338320896

Square Root: 292.6841300788275

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

G.f.: sqrt(C(x)² - S(x)²) where C(x) = ∑_n>=0 log(1 - 2²ⁿ*x)²ⁿ/(2n)! and S(x) = ∑_n>=0 -log(1 - 2²ⁿ⁺¹*x)²ⁿ⁺¹/(2n+1)! are the g.f.s of A166995 and A166996, respectively. A166998

Number of cubic plane graphs with 2n nodes, minimal face size 4 and maximal face size 6. A219748

Decimal expansion of cos(cos(cos(1))). A85664