Properties of the Number 85805

Eighty-Five Thousand Eight Hundred Five

Basics

Value: 85804 → 85805 → 85806

Parity: odd

Prime: No

Previous Prime: 85793

Next Prime: 85817

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 5 × 131 ²

Divisors: 1, 5, 131, 655, 17161, 85805

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10100111100101101

Octal: 247455

Duodecimal: 417A5

Hexadecimal: 14f2d

Square: 7362498025

Square Root: 292.92490505247247

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

Composite numbers k such that σ(k) / d(k) is prime. A48969

Denominators of continued fraction convergents to sqrt(436). A41831

Numbers of the form p²*q, with odd primes p > q, such that q divides p-1. A350638

Numbers n such that the permanent of the character table of the dihedral group D_n is not zero. A85805