Properties of the Number -158600

One Hundred Fifty-Eight Thousand Six Hundred

Basics

Value: -158601 → -158600 → -158599

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 ³ × 5 ² × 13 × 61

Divisors: 1, 2, 4, 5, 8, 10, 13, 20, 25, 26

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100110101110001000

Octal: -465610

Duodecimal: -77948

Hexadecimal: -26b88

Square: 25153960000

Square Root: 398.24615503479754

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

a(n) = sigma₂(n)*Fibonacci(n), where sigma₂(n) = A001157(n), the sum of squares of divisors of n. A203849

The common value of sigma₂ for square-amicable numbers, sigma₂(m)=sigma₂(n), m<n. A110929

G.f.: A(x) = 1/(1 - x·B(x²)), where B(x) = ∑_n>=0 a(n)²*xⁿ is the g.f. of A121648. A121649

A bisection of A121649; a(n) = A121649(2·n) = A121648(2·n)^1/2. A121650