Properties of the Number -71668

Seventy-One Thousand Six Hundred Sixty-Eight

Basics

Value: -71669 → -71668 → -71667

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 2 ² × 19 × 23 × 41

Divisors: 1, 2, 4, 19, 23, 38, 41, 46, 76, 82

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10001011111110100

Octal: -213764

Duodecimal: -35584

Hexadecimal: -117f4

Square: 5136302224

Square Root: 267.70879701645964

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

Nonnegative values·of solutions (x, y) to the Diophantine equation x²+(x+287)² = y². A205644

Row sums of A095167. A95170

G.f. satisfies A(x) = exp( ∑_k>=1 (A(x^k) + A(i·x^k) + A(-x^k) + A(i³*x^k))/4·x^k/k ), where i = sqrt(-1). A363405

a(n) = A165966(n)/12. A166119