Properties of the Number -224

Two Hundred Twenty-Four

Basics

Value: -225 → -224 → -223

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 8

Digital Root: 8

Palindrome: No

Factorization: 2 ⁵ × 7

Divisors: 1, 2, 4, 7, 8, 14, 16, 28, 32, 56

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11100000

Octal: -340

Duodecimal: -168

Hexadecimal: -e0

Square: 50176

Square Root: 14.966629547095765

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

Expansion of reciprocal of Hauptmodul for Gamma₀(18). A92848

Real part of the sum of divisors function σ(n) generalized for Gaussian integers. A103228

Triangle of coefficients of Chebyshev's U(n,2·x-1) polynomials (exponents of·in decreasing order). A53125

Expansion of q^-1 * (φ(q) / φ(q⁹) - 1) / 2 in powers of q³ where φ() is a Ramanujan θ function. A128111

McKay-Thompson series of class 36B for the Monster group. A62244

Dirichlet inverse of sigma₃ function (A001158). A53825

Regard triangle of rencontres numbers (see A008290) as infinite matrix, compute inverse, read by rows. A55137

Expansion of 8-dimensional cusp form. A2408

Triangle read by rows: T(n, m) = S1(n, m)*8^n-m, where S1 are the signed Stirling numbers of first kind A008275 (n >= 1, 1 <= m <= n). A51187

Glaisher's chi₄(n). A30212