Properties of the Number -1166

One Hundred Sixty-Six

Basics

Value: -1167 → -1166 → -1165

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 2 × 11 × 53

Divisors: 1, 2, 11, 22, 53, 106, 583, 1166

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10010001110

Octal: -2216

Duodecimal: -812

Hexadecimal: -48e

Square: 1359556

Square Root: 34.14674215792775

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

Reversion of y - y² + y⁴. A63033

Expansion of ψ(x⁶) / ψ(x) in powers of·where ψ() is a Ramanujan θ function. A262160

Expansion of ψ(x³)³ * ψ(x²) / ψ(x)⁴ in powers of·where ψ() is a Ramanujan θ function. A262158

Expansion of log(1+log(1+sin(x))). A9308

Expansion of 1 + x*(1-x)/(1 + x²*(1-x²)/(1 + x³*(1-x³)/(1 + x⁴*(1-x⁴)/(1 + x⁵*(1-x⁵)/(1 + ...))))), a continued fraction. A291193

Heptagonal (or 7-gonal) pyramidal numbers: a(n) = n*(n+1)*(5·n-2)/6. A2413

Number of integer partitions of n such that the greatest part is the unique mode. A362612

Multiples of 11 containing an 11 in their decimal representation. A121031

a(n) = ∑_k=1..n lcm(n,k)/n. A57661

a(n) = n*(n+9)/2. A56000