Properties of the Number 84064

Eighty-Four Thousand Sixty-Four

Basics

Value: 84063 → 84064 → 84065

Parity: even

Prime: No

Previous Prime: 84061

Next Prime: 84067

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 ⁵ × 37 × 71

Divisors: 1, 2, 4, 8, 16, 32, 37, 71, 74, 142

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8509 Try Today's Challenge

Representations

Binary: 10100100001100000

Octal: 244140

Duodecimal: 40794

Hexadecimal: 14860

Square: 7066756096

Square Root: 289.93792439072195

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) = 11 + floor( (1 + ∑_j=1..n-1 a(j)) / 2). A120139

The Wiener index of the double-comb graph \/_\/_\/...\/_\/ with 3n (n>=1) nodes. The Wiener index of a connected graph is the sum of the distances between all unordered pairs of vertices in the graph. A192025

Number of non-sphere-homeomorphic crossing optimal 2-page book drawings of complete graph K_2n+1. A226917

Number of active (ON, black) cells at stage 2ⁿ-1 of the two-dimensional cellular automaton defined by "Rule 374", based on the 5-celled von Neumann neighborhood. A271458

Third row of number array A084061. A84064

Number of nX5 0..1 arrays with every element equal to 3, 4, 5, 7 or 8 king-move adjacent elements, with upper left element zero. A298954