Properties of the Number 18416

Eighteen Thousand Four Hundred Sixteen

Basics

Value: 18415 → 18416 → 18417

Parity: even

Prime: No

Previous Prime: 18413

Next Prime: 18427

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 ⁴ × 1151

Divisors: 1, 2, 4, 8, 16, 1151, 2302, 4604, 9208, 18416

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100011111110000

Octal: 43760

Duodecimal: A7A8

Hexadecimal: 47f0

Square: 339149056

Square Root: 135.70556362949898

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

Amicable numbers. A63990

Larger of amicable pair. A2046

Amicable pairs. A259180

Amicable pairs (x < y) ordered by nondecreasing sum (x + y) and then by increasing x. A259933

Numbers that belong to at least one amicable multiset. A259307

Amicable pairs with the property that the number of divisors of the smaller member is greater than the number of divisors of the larger member. A328063

Larger of amicable pair (x, y) as they are listed in A259933. A260087

Numbers k such that σ(k) = σ(σ(k)-k). A206708

Amicable pairs with the property that the number of divisors of the smaller member is twice the number of divisors of the larger member. A328065

Number of sensed 2-connected simple planar maps with n edges. A6406