Properties of the Number -211

Two Hundred Eleven

Basics

Value: -212 → -211 → -210

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 4

Digital Root: 4

Palindrome: No

Factorization: 211

Divisors: 1, 211

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11010011

Octal: -323

Duodecimal: -157

Hexadecimal: -d3

Square: 44521

Square Root: 14.52583904633395

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

Square array A(n,k), n>=0, k>=0, read by antidiagonals, where column k is expansion of ∏_j>=1 (1-x^j)^{j^k} in power of x. A283272

Expansion of ∏_k>=1 (1 + x^8·k)/(1 + x^k). A261735

a(n) = ∑_k=1..n μ(k)*k². A336276

Expansion of 1 - x/(1 - x²/(1 - x³/(1 - x⁴/(1 - x⁵/(1 - x⁶/(1 - ... - xⁿ/(1 - ...))))))), a continued fraction. A291148

a(n) = prime(n)-n*τ(n) where τ(n) is the number of divisors of n. A67292

a(n) = Numerator of Bernoulli(n, 1) + 1/(n+1). A174341

Square array A(n,k), n>=0, k>=0, read by antidiagonals, where column k is the expansion of ∏_j>=1 (1 - j^k*x^j). A292166

T(n,k) an additive decomposition of the signed tangent number (triangle read by rows). A154342

Expansion of exp( ∑_n>=1 -sigma₆(n)*xⁿ/n ) in powers of x. A283336

Partial alternating sums of Pillai's arithmetical function (A018804). A370895