Properties of the Number 22366

Twenty-Two Thousand Three Hundred Sixty-Six

Basics

Value: 22365 → 22366 → 22367

Parity: even

Prime: No

Previous Prime: 22349

Next Prime: 22367

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 × 53 × 211

Divisors: 1, 2, 53, 106, 211, 422, 11183, 22366

Polygonal

Triangular: Yes

Square: No

Pentagonal: No

Hexagonal: Yes

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 101011101011110

Octal: 53536

Duodecimal: 10B3A

Hexadecimal: 575e

Square: 500237956

Square Root: 149.55266630856167

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

Number of unrooted quartic trees with 2n (unlabeled) nodes and possessing a bicentroid; number of 2n-carbon alkanes C(2n)H(4n+2) with a bicentroid, ignoring stereoisomers. A10373

The first of three consecutive hexagonal numbers the sum of which is equal to the sum of three consecutive primes. A298272

The intersection of hexagonal numbers (A000384) and centered 9-gonal numbers (A060544). A272399

a(n) = (m(n)² + 3)*(m(n)² + 7)/32, where m(n) = 2·n - 1. A336535

Even triangular numbers with prime indices. A34955

Indices of pentagonal numbers (A000326) which are also centered pentagonal numbers (A005891). A253654

Numbers n whose symmetric representation of σ(n) has a maximum width of 2 that occurs exactly once (at the diagonal). A338488

Triangular numbers composed of digits {2,3,6}. A119154

Hexagonal numbers (A000384) which are sum of 2 other hexagonal numbers > 0. A133215

Triangular numbers with digits in nondecreasing order. A234848