Properties of the Number -1528

Five Hundred Twenty-Eight

Basics

Value: -1529 → -1528 → -1527

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 ³ × 191

Divisors: 1, 2, 4, 8, 191, 382, 764, 1528

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10111111000

Octal: -2770

Duodecimal: -A74

Hexadecimal: -5f8

Square: 2334784

Square Root: 39.08964057138413

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 φ(q) / φ(q³) in powers of q where φ() is a Ramanujan θ function. A139137

Expansion of (1-x-x^N)/((1-x)(1-x²)(1-x³)...(1-x^N)) for N = 8. A60027

McKay-Thompson series of class 30G for the Monster group. A58618

Expansion of q·f(-q,-q⁷)² / (φ(q²) * ψ(-q)) in powers of q where φ(), ψ(), f(,) are Ramanujan θ functions. A224216

Expansion of q^-1 * χ(-q)² * χ(-q¹⁵)² / (χ(-q³) * χ(-q⁵)) in powers of q where χ() is a Ramanujan θ function. A133098

G.f.: ∑_n>=0 (x^2·n-1 + 1)ⁿ * xⁿ / (1 + x^2·n+1)ⁿ⁺¹, an even function. A326602

McKay-Thompson series of class 30G for the Monster group with a(0) = -1. A135213

Expansion of f(-q³, -q⁵)² / (ψ(-q) * φ(q²)) in powers of q where φ(), ψ(), f() are Ramanujan θ functions. A245432

Expansion of φ(-q) / φ(-q³) in powers of q where φ() is a Ramanujan θ function. A252706

Row sums of A129394. A129395