Properties of the Number 22167

Twenty-Two Thousand One Hundred Sixty-Seven

Basics

Value: 22166 → 22167 → 22168

Parity: odd

Prime: No

Previous Prime: 22159

Next Prime: 22171

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ³ × 821

Divisors: 1, 3, 9, 27, 821, 2463, 7389, 22167

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 101011010010111

Octal: 53227

Duodecimal: 109B3

Hexadecimal: 5697

Square: 491375889

Square Root: 148.8858623241307

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) = floor(surface area of a sphere with radius n). A66644

G.f.: A(x) = F(x·G(x)²)² where F(x) = G(x·F(x)) = 1 + x·F(x)³ is the g.f. of A001764 and G(x) = F(x/G(x)) = 1 + x·G(x)² is the g.f. of A000108 (Catalan). A153393

a(n) = ∑_k=0..n (-1)^k * binomial(n+2·k+2,n-k) * Catalan(k). A360058

Numbers k such that φ(k) is equal to A008473(k+1). A39781

a(n) = n² + (n + 1)³ + (n + 2)⁴. A61222

The growth series for the affine Coxeter (or Weyl) group [3,3,5] (or H₄). A266783

Nearest integer to 4*π*n². A322615

Triangle of Gaussian binomial coefficients [ n,k ] for q = 3. A22167

First terms "a" of quadruples a>b>c>d>0 with six square pairwise sums. A175534

Number of (undirected) cycles on the n X 4 king graph. A339198