Properties of the Number -262

Two Hundred Sixty-Two

Basics

Value: -263 → -262 → -261

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 10

Digital Root: 1

Palindrome: Yes

Factorization: 2 × 131

Divisors: 1, 2, 131, 262

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100000110

Octal: -406

Duodecimal: -19A

Hexadecimal: -106

Square: 68644

Square Root: 16.186414056238647

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

Coefficients of the 3rd-order mock θ function f(q). A25

Coefficient of q²ⁿ in the series expansion of Ramanujan's mock θ function f(q). A39

Coefficients in the expansion of 1/([r] + [2r]x + [3r]x² + ...); [ ] = floor, r = 8/5. A279780

Expansion of ∑_k>=1 x^k/(1 + x^k)³. A320900

Expansion of c(q⁴) / c(q) in powers of q where c() is a cubic AGM θ function. A123649

Expansion of χ(-x)² * χ(-x²) in powers of·where χ() is a Ramanujan θ function. A143161

G.f. A(x) satisfies: A(x) = A(x³ - x⁶)/x². A350481

Matrix inverse of triangle A063967. A91698

Expansion of a(q) * f(-q)⁴ where f() is a Ramanujan θ function and a() is a cubic AGM function. A152243

a(1) = 1; a(n) = -∑_{d∣n, d < n} A341512(n/d) * a(d), where A341512(n) = σ(n)*A003961(n) - n*σ(A003961(n)). A347096