Properties of the Number 22068

Twenty-Two Thousand Sixty-Eight

Basics

Value: 22067 → 22068 → 22069

Parity: even

Prime: No

Previous Prime: 22067

Next Prime: 22073

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 ² × 3 ² × 613

Divisors: 1, 2, 3, 4, 6, 9, 12, 18, 36, 613

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 101011000110100

Octal: 53064

Duodecimal: 10930

Hexadecimal: 5634

Square: 486996624

Square Root: 148.55302083767936

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) = n*(2*(n - 2)*n + (-1)ⁿ + 3)/4. A323724

Expansion of 1/(1 - x/(1 - x/(1 - 2·x/(1 - 3·x/(1 - 5·x/(1 - 8·x/(1 - ... - Fibonacci(k)*x/(1 - ...)))))))), a continued fraction. A307082

Expansion of the e.g.f. exp(-1 + (1 + x)*exp(-x)). A345652

Number of factorization patterns of polynomials of degree n over F₃. A6168

a(n) = 729·n - 531. A156771

The least common multiple of 1+n and 1+n². A281660

Number of collinear triples in a 3 X n rectangular grid. A57566

Expansion of g.f.: 1/(∑_{p odd prime} x^p)² (even powers only). A351317

Coefficient of xⁿ in g.f.ⁿ is A086608(n). A88219

Number of nX2 1..4 arrays containing at least one of each value, all equal values connected, rows considered as a single number in nondecreasing order, and columns considered as a single number in nondecreasing order. A166797