Properties of the Number -3206

Two Hundred Six

Basics

Value: -3207 → -3206 → -3205

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 2 × 7 × 229

Divisors: 1, 2, 7, 14, 229, 458, 1603, 3206

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -110010000110

Octal: -6206

Duodecimal: -1A32

Hexadecimal: -c86

Square: 10278436

Square Root: 56.621550667568265

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

G.f.: ∏_k>0 (1-x^2k-1)/(1-x^2k). A106507

Expansion of ψ(-q³) / f(q) where ψ(), f() are Ramanujan θ functions. A139135

Expansion of q * χ(-q) / χ(-q⁵)⁵ in powers of q where χ() is a Ramanujan θ function. A95813

Expansion of (∏_j>=1 (1-(-x)^j) - 1)⁸ in powers of x. A1486

Expansion of f(q, q³)² / (f(q, q⁴) * f(q², q³)) in powers of q where f(, ) is the Ramanujan general θ function. A138522

a(n) = floor(d(n)/18^n-1) where d(n) = 0, 1, -8, 352, -5120,.. and d(n) = -8·d(n-1) +288·d(n-2). A174427

G.f.: ∏_k>=1 (1 + x^{2·k - 1}) / (1 - x^2·k). A6950

Expansion of ∏_k>=1 1/(1 - 2·t^k). A70933

a(n) = a(n-1) + a(n-7), with a(i) = 1 for i = 0..6. A5709

Discriminants of real quadratic fields with class number 2 and related continued fraction period length of 24. A51989