Properties of the Number -201

Two Hundred One

Basics

Value: -202 → -201 → -200

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 3

Digital Root: 3

Palindrome: No

Factorization: 3 × 67

Divisors: 1, 3, 67, 201

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11001001

Octal: -311

Duodecimal: -149

Hexadecimal: -c9

Square: 40401

Square Root: 14.177446878757825

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) = (-11·n⁵ + 145·n⁴ - 635·n³ + 1115·n² - 494·n + 120)/120. A161706

Alternating row sums of triangle A201201: first associated monic Laguerre-Sonin(e) polynomials with parameter α=1 evaluated at x=-1. A201203

Expansion of (1-x-x^N)/((1-x)(1-x²)(1-x³)...(1-x^N)) for N = 4. A60023

Expansion of ∏_k>=1 1/(1 + 3·x^k). A261582

Dirichlet inverse of Čiurlionis sequence, A342002. A342417

Expansion of 1/(1+x²+x³). A77962

Triangle read by rows: T(r,c)=T(r,c-1)+T(r,c+1)+T(r-1,c-1). A129392

Expansion of f(x, x⁵) * f(-x⁶) / f(x)² in powers of·where f() is a Ramanujan θ function. A254346

Dirichlet inverse of A011772. A345055

Coefficients of the B-Bailey Mod 9 identity. A104468