Properties of the Number -9189

One Hundred Eighty-Nine

Basics

Value: -9190 → -9189 → -9188

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 1021

Divisors: 1, 3, 9, 1021, 3063, 9189

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10001111100101

Octal: -21745

Duodecimal: -5399

Hexadecimal: -23e5

Square: 84437721

Square Root: 95.85927185202274

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

Inverse binomial transform of the Moebius sequence {μ(k), k >= 1}, A008683. A124839

Number of one-sided polyominoes with n cells. A988

Numbers that are the sum of nine fourth powers in seven or more ways. A345591

Numbers that are the sum of nine fourth powers in exactly seven ways. A345849

Numbers that are the sum of ten fourth powers in exactly eight ways. A345860

G.f.: A(x) = exp( ∑_n>=1 σ(n)*A000204(n)*xⁿ/n ). A156234

a(n) = least composite m such that binomial(3m,m) mod m = 3ⁿ. A109642

a(n) = 11·a(n-1) - 9·a(n-2) with a(0)=1, a(1)=9. A147841

Number of one-sided polyominoes with 2n cells. A210988

Fourth column of A046741. A62124