Properties of the Number 8518

Eight Thousand Five Hundred Eighteen

Basics

Value: 8517 → 8518 → 8519

Parity: even

Prime: No

Previous Prime: 8513

Next Prime: 8521

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 × 4259

Divisors: 1, 2, 4259, 8518

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10000101000110

Octal: 20506

Duodecimal: 4B1A

Hexadecimal: 2146

Square: 72556324

Square Root: 92.29301165310405

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 nodes of even outdegree (including leaves) in all ordered trees with n edges. A26641

Numbers k such that A102489(k) is divisible by k. A32563

a(n) = (-4·n³ + 27·n² - 20·n + 3)/3. A161711

T(n,k) = number of n X k 0..1 arrays with rows unimodal and columns nondecreasing. A225010

Triangle read by rows: T(n,k) is the number of binary rooted trees with n leaves of exactly k colors and all non-leaf nodes having out-degree 2. A319541

a(n) = A026637(n, floor(n/2)). A26643

Expansion of 1/((1+x)*(1-x)⁹). A1780

T(n,k)=Number of nXk 0..2 arrays with rows in nondecreasing lexicographic order and columns in nonincreasing lexicographic order, but with exactly one mistake. A278627

Number of admissible basis in the postage stamp problem for n denominations and h = 3 stamps. A167810

Triangle T(n,k) read by rows, matrix product of A046899(row-reversed) * A130595. A158815