Properties of the Number 8986

Eight Thousand Nine Hundred Eighty-Six

Basics

Value: 8985 → 8986 → 8987

Parity: even

Prime: No

Previous Prime: 8971

Next Prime: 8999

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 2 × 4493

Divisors: 1, 2, 4493, 8986

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10001100011010

Octal: 21432

Duodecimal: 524A

Hexadecimal: 231a

Square: 80748196

Square Root: 94.79451460923254

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

Numbers that are the sum of 5 positive 6th powers. A3361

Triangle T(n,m) = ∑_k=0..m Catalan(n-k)*Catalan(k). A28364

Expansion of 1/(1 - x - x⁴ + x⁶). A174522

Catalan triangle A028364 with row reversion. A67323

Number of threshold functions on n X n grid. A114146

Expansion of ∏_k>0 (∑_m>=0 x^k·m²). A300446

Square array A(n,k), n >= 0, k >= 0, read by antidiagonals, where column k is the expansion of ∏_j>=1 1/(1 - j^k*x^j). A292193

T(n,k)=Number of nXk 0..2 arrays with exactly floor(nXk/2) elements equal to at least one horizontal or vertical neighbor, with new values introduced in row major 0..2 order. A222889

G.f.: ∑_k>=1 (x^k*(k+1) * ∏_j=1..k (1 + x^j)/(1 - x^j)). A333374

Expansion of ∑_k>0 x^2·k/(1-x^k)⁵. A363605