Properties of the Number -166

One Hundred Sixty-Six

Basics

Value: -167 → -166 → -165

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 2 × 83

Divisors: 1, 2, 83, 166

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10100110

Octal: -246

Duodecimal: -11A

Hexadecimal: -a6

Square: 27556

Square Root: 12.884098726725126

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

Riordan array (1/(1-x), x/(1+x)). A112468

Array read by antidiagonals downward where A(n,k) is the n-th term of the k-th differences of the squarefree numbers. A377038

Expansion of ψ(x) / φ(x) in powers of·where φ(), ψ() are Ramanujan θ functions. A83365

Alternating sum σ(1)-σ(2)+σ(3)-σ(4)+...+((-1)ⁿ⁺¹)*σ(n). A68762

Coefficient triangle of certain polynomials. A56588

Series expansion of the Ramanujan-Goellnitz-Gordon continued fraction. A92869

Expansion of ∏_k>=1 (1 + x^6·k)/(1 + x^k). A261736

Inverse Euler transform of the Moebius function A008683. A320781

Series expansion of the reciprocal of the Goellnitz-Gordon continued fraction. A111374

Triangle read by rows: signed version of A059260: coefficients for expansion of partial sums of sequences a(n,x) in terms of their binomial transforms (1+a(.,x))ⁿ ; Laguerre polynomial expansion of the truncated exponential. A239473