Properties of the Number -5042

Forty-Two

Basics

Value: -5043 → -5042 → -5041

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 2 × 2521

Divisors: 1, 2, 2521, 5042

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1001110110010

Octal: -11662

Duodecimal: -2B02

Hexadecimal: -13b2

Square: 25421764

Square Root: 71.00704190430693

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

Related to Genocchi numbers. A2317

Expansion of (1+x+5x²+2x³) / (1-4x²+x⁴). A108413

a(n,m) =Floor[N[(-2 + Sqrt[3])ⁿ + (-2 - Sqrt[3])ⁿ]/2^m]. A117809

Floor(integral_{n=0..infinity} (log(x) - log(1 + x²))ⁿ/(1 + x²)² dx). A221648

Expansion of e.g.f. 1/(1 - log(2 - exp(x))). A361494

Triangle read by rows: T(n,k) = (-1)ⁿ * n! + (-1)^k+1 * k! for n >= 2 and 1 <= k <= n-1. A373967

a(n) = ∑_k<=n A007955(k) * A008683(n-k+1) = ∑_k<=n A007955(k) * μ(n-k+1), where A007955(m) = product of divisors of m. A174942

a(0) = 1, a(1) = 2, a(n) = 4·a(n-1) - a(n-2). A1075

Coordination sequence for "flu" 3D uniform tiling formed from tetrahedra, rhombicuboctahedra, and cubes. A299272

Sum of factorials of the digits of n. A61602