Properties of the Number -2043

Forty-Three

Basics

Value: -2044 → -2043 → -2042

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 9

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 227

Divisors: 1, 3, 9, 227, 681, 2043

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11111111011

Octal: -3773

Duodecimal: -1223

Hexadecimal: -7fb

Square: 4173849

Square Root: 45.19955751995809

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.: q * ∏_m>=1 (1-q^m)⁸*(1-q^2m)⁸. A2288

Expansion of ∏_k>=1 (1 - x^k)⁹. A10817

Expansion of ∏_k>=0 (1-x^5·k+1)^5·k+1. A285071

Expansion of q * (φ(q) * ψ(-q))⁸ in powers of q where φ(), ψ() are Ramanujan θ functions. A216711

First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 377", based on the 5-celled von Neumann neighborhood. A271464

a(n) = [xⁿ] ∏_k>=1 ((1 - x^k)*(1 - x^2·k))ⁿ. A319456

Number of partitions of n in which the number of parts divides n. A67538

Coordination sequence for "hal" 3D uniform tiling. A299274

(Prime(n)# - 4)/2 is prime, where x# is the primorial A034386(x). A67026

Expansion of 1/(1 - x³ - x⁴ + x⁷ - x¹⁰ - x¹¹ + x¹⁴) (a Salem polynomial). A143644