Properties of the Number 18682

Eighteen Thousand Six Hundred Eighty-Two

Basics

Value: 18681 → 18682 → 18683

Parity: even

Prime: No

Previous Prime: 18679

Next Prime: 18691

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 × 9341

Divisors: 1, 2, 9341, 18682

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100100011111010

Octal: 44372

Duodecimal: A98A

Hexadecimal: 48fa

Square: 349017124

Square Root: 136.6821129482567

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(1)=4. a(n+1) = a(n)+d-1, where d is the smallest prime divisor of (a(n)-1)*(a(n)+1). A177929

Numbers m such that A006218(m) is a perfect square. A175345

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 51", based on the 5-celled von Neumann neighborhood. A270020

Partial sums of A175046. A324127

Divisors of 850. A18682