Properties of the Number 22266

Twenty-Two Thousand Two Hundred Sixty-Six

Basics

Value: 22265 → 22266 → 22267

Parity: even

Prime: No

Previous Prime: 22259

Next Prime: 22271

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ² × 1237

Divisors: 1, 2, 3, 6, 9, 18, 1237, 2474, 3711, 7422

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 101011011111010

Octal: 53372

Duodecimal: 10A76

Hexadecimal: 56fa

Square: 495774756

Square Root: 149.21796138535066

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

T(n,k)=Number of (n+2)X(k+2) 0..3 arrays with every 3X3 subblock row and column sum not 3 or 6 and every diagonal and antidiagonal sum 3 or 6. A251829

Numbers n with digits 2 and 6 only. A284632

a(1) = 2; a(n+1) = a(n)-th composite. A22450

Numbers with at least 2 distinct digits and whose "rotations" (including the number itself) are multiples of these digits; repeated digits allowed but digit 0 not allowed. A66484

G.f. A(x) satisfies A(x) = 1 - x/A(x)³ * (1 - A(x) - A(x)⁵). A371914

Number of points on surface of truncated cube: a(n) = 46·n² + 2 for n > 0. A5911

A093483(n)-2. A121404

Number of (n+2)X(1+2) 0..3 arrays with every 3X3 subblock row and column sum not 3 or 6 and every diagonal and antidiagonal sum 3 or 6. A251822

Number of (n+2) X (4+2) 0..3 arrays with every 3 X 3 subblock row and column sum not 3 or 6 and every diagonal and antidiagonal sum 3 or 6. A251825

a(n) = 13·n² + 10·n + 3. A387659