Properties of the Number 22268

Twenty-Two Thousand Two Hundred Sixty-Eight

Basics

Value: 22267 → 22268 → 22269

Parity: even

Prime: No

Previous Prime: 22259

Next Prime: 22271

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 ² × 19 × 293

Divisors: 1, 2, 4, 19, 38, 76, 293, 586, 1172, 5567

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 101011011111100

Octal: 53374

Duodecimal: 10A78

Hexadecimal: 56fc

Square: 495863824

Square Root: 149.22466284096606

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) = a(n-1) + a(n-8), with a(i) = 1 for i = 0..7. A5710

Number of maximal Golomb rulers of length n. A325683

T(n,k)=Number of nXk arrays of occupancy after each element moves to some horizontal or antidiagonal neighbor, with no occupancy greater than 2. A221255

a(1) = 2; for n>1, a(n) = smallest integer > a(n-1) such that a(n) + a(i) + 1 is prime for all 1 <= i <= n-1. A93483

a(n) = floor( e·2ⁿ ). A27437

Numbers k such that k - sopfr(k) is a positive cube. A389889

Number of lines through exactly 3 points of an n X n grid of points. A18810

G.f. A(x) satisfies A(x) = 1 / (1 - x·A(x⁸)). A367800

The integer k that minimizes |k/2ⁿ - e|. A293338

a(n) = a(n-1) + a(n-2) + 1 for n>1, a(0)=0, a(1)=7. A22312