Properties of the Number -2056

Fifty-Six

Basics

Value: -2057 → -2056 → -2055

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 2 ³ × 257

Divisors: 1, 2, 4, 8, 257, 514, 1028, 2056

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100000001000

Octal: -4010

Duodecimal: -1234

Hexadecimal: -808

Square: 4227136

Square Root: 45.34313619501854

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

Coefficients of the eighth-order mock θ function T₁(q). A153156

Expansion of ∑_k>=0 k·x^k/(1 + k·x). A349852

Coefficients in the power series expansion of A(x) = ∑_n=-oo..+oo n*(n+1)*(n+2)*(n+3)/24·x^4·n * (1 - xⁿ)^n-2. A357157

Numerators of coefficients in expansion of x^-2*(1-exp(-2·x))². A104042

First differences of A006921. A257971

G.f. satisfies A(x) = exp( ∑_k>=1 (3 * (-1)^k + A(x^k)) * x^k/k ). A363566

Triangle T(n,k) with the real part of [x^k] of the series (1-x)ⁿ⁺¹* ∑_{j=0..infinity} (2·j+1+i)ⁿ*x^j in row n, column k. A179068

Expansion of e.g.f. exp( (1+3·x)^2/3 - 1 ). A380215

tanh(cos(x)*arcsin(x))=x-4/3!*x³+60/5!*x⁵-2056/7!*x⁷+127376/9!*x⁹... A12488

Partial sums of Catalan numbers (A000108). A14137