Properties of the Number -52020

Fifty-Two Thousand Twenty

Basics

Value: -52021 → -52020 → -52019

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 9

Digital Root: 9

Palindrome: No

Factorization: 2 ² × 3 ² × 5 × 17 ²

Divisors: 1, 2, 3, 4, 5, 6, 9, 10, 12, 15

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1100101100110100

Octal: -145464

Duodecimal: -26130

Hexadecimal: -cb34

Square: 2706080400

Square Root: 228.07893370497854

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

Number of ways of writing n as a sum of 10 squares. A144

Number of nonseparable tree-rooted planar maps with n + 2 edges and 3 vertices. A6411

Cubefree exponential abundant numbers: cubefree numbers k for which A051377(k) > 2·k. A391427

θ series of D₁₀ lattice. A8432

Triangle T(n,k) read by rows: permutations on 123...n with one abc pattern and no aj pattern with j<=k, n>2, k<n-1. A84249

Expansion of (theta₃(z)*theta₃(23z) + theta₂(z)*theta₂(23z))⁵. A328093

Numbers k such that the sets of prime factors (ignoring multiplicity) of A000203(k) = σ(k) and of A001157(k) = sigma₂(k) are identical. A81380

Number of n X 3 0..4 arrays with each element·equal to the number its horizontal and vertical neighbors equal to 4,3,2,1,0 for x=0,1,2,3,4. A197212

a(n) is the number of subsets of {1..n} that contain exactly 4 odd and 1 even numbers. A333320

θ series of {D₁₀}⁺ lattice. A4532