Properties of the Number -18601

Eighteen Thousand Six Hundred One

Basics

Value: -18602 → -18601 → -18600

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 11 × 19 × 89

Divisors: 1, 11, 19, 89, 209, 979, 1691, 18601

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100100010101001

Octal: -44251

Duodecimal: -A921

Hexadecimal: -48a9

Square: 345997201

Square Root: 136.38548309845882

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

Chebyshev T-sequence with Diophantine property. A77417

Centered 40-gonal numbers. A195317

Denominators of continued fraction convergents to sqrt(35). A41059

Numerator of x(n) = ∑_k=1..n ((odd part of k)/(k³)). A111918

a(n)*a(n+3) - a(n+1)*a(n+2) = 5, given a(0)=a(1)=1, a(2)=6. A80875

Decimal representation of the x-axis, from the left edge to the origin, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 809", based on the 5-celled von Neumann neighborhood. A284177

a(n) = n⁴ + 3·n³ - 3·n. A192398

Generalized Markoff numbers: union of numbers a, b, c, d satisfying the Markoff(4) equation a² + b² + c² + d² = 4·a*b·c*d. A75276

Long leg of primitive Pythagorean triangles having legs that add up to a square, sorted on hypotenuse. A89548

Coefficient of·in the reduction (by x²->x+1) of polynomial p(n,x) identified in Comments. A192347