Properties of the Number 8947

Eight Thousand Nine Hundred Forty-Seven

Basics

Value: 8946 → 8947 → 8948

Parity: odd

Prime: No

Previous Prime: 8941

Next Prime: 8951

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 23 × 389

Divisors: 1, 23, 389, 8947

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001011110011

Octal: 21363

Duodecimal: 5217

Hexadecimal: 22f3

Square: 80048809

Square Root: 94.58858282054976

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

Meandric numbers for a river crossing up to 6 parallel roads at n points. A208452

Expansion of ∏_k>=1 (1+x^3·k-1)^k. A262878

Partitions with superdiagonal growth: number of partitions (p0, p1, p2, ...) of n with π - p0 >= i. A238860

Expansion of ∑_k>0 x^2·k/(1+x^k)⁴. A363598

Expansion of ∏_k>=1 (1+x^k)^A002203(k). A261332

a(n) = 9·a(n-1) - 9·a(n-2) + a(n-3); given a(1) = 1, a(2) = 3, a(3) = 19. A95002

Numbers k such that 17·k+1 is a square. A219394

Numbers k such that the continued fraction for sqrt(k) has period 84. A20423

a(n) = ∑_0<=j<=i<=n A027170(i, j). A27180

Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 44 ones. A31812