Properties of the Number -311

Three Hundred Eleven

Basics

Value: -312 → -311 → -310

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 5

Digital Root: 5

Palindrome: No

Factorization: 311

Divisors: 1, 311

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100110111

Octal: -467

Duodecimal: -21B

Hexadecimal: -137

Square: 96721

Square Root: 17.635192088548397

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

Power series expansion of the Rogers-Ramanujan continued fraction 1+x/(1+x²/(1+x³/(1+x⁴/(1+...)))). A3823

Expansion of q^-1/2 * (η(q) * η(q²))⁴ in powers of q. A30211

Eigensequence for the Moebius μ triangle A152904. A185694

Second differences of A000463; first differences of A188652. A188653

a(n) = a(n - 1) - 2·a(n - 2) + a(n - 3) - 4·a(n - 4) + 2·a(n - 5). A122581

Expansion of ∏_k>=0 (1-x^4·k+3)^4·k+3. A285213

Terms of A379230 whose absolute value is prime. A379231

a(n) = A325977(A228058(n)). A389217

Expansion of (φ(x) * ψ(-x))⁴ in powers of·where φ(), ψ() are Ramanujan θ functions. A134461

a(n) = A000045(n) - A113405(n). A140096