Properties of the Number 85839

Eighty-Five Thousand Eight Hundred Thirty-Nine

Basics

Value: 85838 → 85839 → 85840

Parity: odd

Prime: No

Previous Prime: 85837

Next Prime: 85843

Digit Sum: 33

Digital Root: 6

Palindrome: No

Factorization: 3 × 13 × 31 × 71

Divisors: 1, 3, 13, 31, 39, 71, 93, 213, 403, 923

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8509 Try Today's Challenge

Representations

Binary: 10100111101001111

Octal: 247517

Duodecimal: 41813

Hexadecimal: 14f4f

Square: 7368333921

Square Root: 292.982934656611

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

a(n) = n! mod Fibonacci(n). A182213

A symmetrical triangle sequence: q=1;t(n,m,q)=If[q == 1, Binomial[n, m] + Eulerian[n + 1, m] - Binomial[n, m]*Eulerian[n + 1, m], (q - 1) + Binomial[n, m]^q + Eulerian[n + 1, m]^q - q·Binomial[n, m]*Eulerian[n + 1, m]]. A174966

Numbers k such that (16·10^k + 167)/3 is prime. A294227

a(0)=1, a(1)=3, a(n) = floor((π + 1/π)*a(n-1) - a(n-2)). A85839