Properties of the Number 80694

Eighty Thousand Six Hundred Ninety-Four

Basics

Value: 80693 → 80694 → 80695

Parity: even

Prime: No

Previous Prime: 80687

Next Prime: 80701

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ² × 4483

Divisors: 1, 2, 3, 6, 9, 18, 4483, 8966, 13449, 26898

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10011101100110110

Octal: 235466

Duodecimal: 3A846

Hexadecimal: 13b36

Square: 6511521636

Square Root: 284.06689353037956

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 Fielder sequence. A1642

Number of 3 X n matrices with 3·n/2 1's (if n is even) or (3·n+1)/2 1's (if n is odd) that do not have a horizontal nor vertical nor diagonal 3-streak of 1's. A339631

Number of final Tic-Tac-Toe positions on a (2·n) X 3 board that resulted in a tie. A339633

a(n) = s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n+1-k), where k = [ (n+1)/2 ], s = (Fibonacci numbers), t = (1, p(1), p(2), ...). A24460

Let u(1)=u(2)=1 and u(k)=abs(u(k-1)-u(k-2)-n); sequence gives length of period of u(k). A80694