Properties of the Number 8664

Eight Thousand Six Hundred Sixty-Four

Basics

Value: 8663 → 8664 → 8665

Parity: even

Prime: No

Previous Prime: 8663

Next Prime: 8669

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 2 ³ × 3 × 19 ²

Divisors: 1, 2, 3, 4, 6, 8, 12, 19, 24, 38

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000111011000

Octal: 20730

Duodecimal: 5020

Hexadecimal: 21d8

Square: 75064896

Square Root: 93.08061022576076

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) = 6·n². A33581

When expressed in base 4 and then interpreted in base 6, is a multiple of the original number. A62921

T(n,k)=Number of nXk 0..2 arrays with no element equal to any value at offset (-2,0) (-1,2) or (0,-2) and new values introduced in order 0..2. A275565

T(n,k) = Number of n X k 0..1 arrays with every element equal to 1, 2, 3, 5 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. A303254

Numbers k such that the sum of the digits of k equals the sum of the prime divisors of k. A70275

T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with no element unequal to a strict majority of its horizontal, vertical and antidiagonal neighbors, with values 0..3 introduced in row major order. A231363

T(n,k)=Number of (n+2)X(k+2) 0..2 arrays with every consecutive three elements in every row and diagonal having one or two distinct values, and in every column and antidiagonal having two or three distinct values, and new values 0 upwards introduced in row major order. A253615

a(n) is the smallest number of grains of sand placed at the center square of a (2n-1) X (2n-1) table so that some grains drop off the table by the end of the diffusion process. A259013

Smallest k such that k·2*p(n)²-1=q is prime k·2*q²-1=r k·2*r²-1=s, r and s are also prime. A224491

Iterates of A080067. A80068