Properties of the Number 85688

Eighty-Five Thousand Six Hundred Eighty-Eight

Basics

Value: 85687 → 85688 → 85689

Parity: even

Prime: No

Previous Prime: 85669

Next Prime: 85691

Digit Sum: 35

Digital Root: 8

Palindrome: No

Factorization: 2 ³ × 10711

Divisors: 1, 2, 4, 8, 10711, 21422, 42844, 85688

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10100111010111000

Octal: 247270

Duodecimal: 41708

Hexadecimal: 14eb8

Square: 7342433344

Square Root: 292.72512703900225

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 n such that 3·2^n-1 - 1 is prime. A91997

a(1) = 11; a(n) = if n == 2 mod 3 then a(n-1)-3, if n == 0 mod 3 then a(n-1)-2, if n == 1 mod 3 then a(n-1)*2. A85688