Properties of the Number 18364

Eighteen Thousand Three Hundred Sixty-Four

Basics

Value: 18363 → 18364 → 18365

Parity: even

Prime: No

Previous Prime: 18353

Next Prime: 18367

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 ² × 4591

Divisors: 1, 2, 4, 4591, 9182, 18364

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100011110111100

Octal: 43674

Duodecimal: A764

Hexadecimal: 47bc

Square: 337236496

Square Root: 135.51383693187938

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) = ∑_{k <= n/2} binomial(n-2k, 3k). A137356

Number of compositions of 5·n-2 into parts 3 and 5. A369847

Expansion of x*(1+7·x-6·x³)/(1-8·x²+6·x⁴). A249310

a(n) = ∑_{k=0..floor(2·n/3)} binomial(2·k+1,2·n-3·k). A392454

First diagonal of an array, generated from the sequence of the nonprimes. A354430

Expansion of 1 + f/(1 + 2·f), where f is the g.f. of the swinging factorial (A056040). A355775

Numbers k such that k+0, k+1, k+2, k+3, k+4, and k+5 are, in some order, 1·a prime, 2·a prime, ... and 6·a prime. A71368

Divisors of 268. A18364