Properties of the Number -2198

One Hundred Ninety-Eight

Basics

Value: -2199 → -2198 → -2197

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 × 7 × 157

Divisors: 1, 2, 7, 14, 157, 314, 1099, 2198

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100010010110

Octal: -4226

Duodecimal: -1332

Hexadecimal: -896

Square: 4831204

Square Root: 46.88283267892417

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

Dirichlet inverse of sigma₃ function (A001158). A53825

Dirichlet g.f.: ζ(2·s) / (ζ(s) * ζ(s-3)). A328640

G.f. satisfies: A(x) = 1 + x*(A(x) + A(-x)) + x²*A(x)*A(-x). A208888

Row sums of triangle A274659. A273166

Number of partitions of n into prime parts. A607

sigma₃(n): sum of cubes of divisors of n. A1158

a(n) = n³ + 1. A1093

Fourier coefficients of E_infinity,4. A7331

Numbers that are the sum of 12 positive 7th powers. A3379

Generalized 26-gonal (or icosihexagonal) numbers: m*(12·m - 11) with m = 0, +1, -1, +2, -2, +3, -3, ... A316724