Properties of the Number 6868

Six Thousand Eight Hundred Sixty-Eight

Basics

Value: 6867 → 6868 → 6869

Parity: even

Prime: No

Previous Prime: 6863

Next Prime: 6869

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 2 ² × 17 × 101

Divisors: 1, 2, 4, 17, 34, 68, 101, 202, 404, 1717

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1101011010100

Octal: 15324

Duodecimal: 3B84

Hexadecimal: 1ad4

Square: 47169424

Square Root: 82.87339742040264

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

G.f.: ∏_k>=1 (1 + x^{2·k - 1}) / (1 - x^2·k). A6950

Four times pentagonal numbers: a(n) = 2·n*(3·n-1). A33579

G.f.: ∏_k>0 (1-x^2k-1)/(1-x^2k). A106507

Numbers k such that k | sigma₅(k). A55709

Sum of the largest parts of the partitions of n into 8 squarefree parts. A326452

Numbers that are the sum of eight fourth powers in five or more ways. A345580

Numbers that are the sum of eight fourth powers in exactly five ways. A345837

a(n) = C(n+2, 2) + C(n+2, 3) + C(n+2, 4) + C(n+2, 5). A27660

Sum of cubes of proper divisors of n. A276634

a(n) = A077347(n)^1/2. A77349