Properties of the Number 85711

Eighty-Five Thousand Seven Hundred Eleven

Basics

Value: 85710 → 85711 → 85712

Parity: odd

Prime: Yes

Previous Prime: 85703

Next Prime: 85717

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 85711

Divisors: 1, 85711

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10100111011001111

Octal: 247317

Duodecimal: 41727

Hexadecimal: 14ecf

Square: 7346375521

Square Root: 292.7644104053633

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

Start with a single hexagon; at n-th generation add a hexagon at each expandable vertex (this is the "vertex to side" version); a(n) is the sum of all label values at n-th generation. (See comment for construction rules.) A247905

Number of regions formed by infinite lines when connecting all vertices and all points that divide the sides of an equilateral triangle into n equal parts. A343755

Pisot sequence E(8,10), a(n) = floor( a(n-1)²/a(n-2) + 1/2 ). A10916

Numbers k such that 10·R_k + 7 is prime, where R_k = 11...1 is the repunit (A002275) of length k. A56655

Expansion of (6·x⁵+5·x⁴+4·x³+3·x²+2·x+8)/(1-x-x⁶). A275627

Numbers k such that sopfr(k) is a semiprime. A85711