Properties of the Number -304

Three Hundred Four

Basics

Value: -305 → -304 → -303

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 7

Digital Root: 7

Palindrome: No

Factorization: 2 ⁴ × 19

Divisors: 1, 2, 4, 8, 16, 19, 38, 76, 152, 304

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100110000

Octal: -460

Duodecimal: -214

Hexadecimal: -130

Square: 92416

Square Root: 17.435595774162696

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

Expansion of η(q)⁸ / η(q²)⁴ in powers of q. A96727

McKay-Thompson series of class 18D for the Monster group. A62242

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

Expansion of 1/(1 - x*∏_k>=1 1/(1 + x^k)). A299208

a(n) = prime(n+3)*prime(n) - prime(n+1)*prime(n+2). A117301

G.f.: ∏_n>=1 (1 - Lucas(n)*xⁿ + (-x²)ⁿ) / (1 + Lucas(n)*xⁿ + (-x²)ⁿ) where Lucas(n) = A000204(n). A203850

Matrix inverse of A008459 (squares of entries of Pascal's triangle). A55133

Square array A(n,k), n >= 1, k >= 0, read by antidiagonals downwards, where A(n,k) = ∑_j=1..n floor(n/j) * (-k)^j-1. A344824

E.g.f. A(x) satisfies: A( arcsin( A( arcsinh(x) ) ) ) = x. A280792