Properties of the Number -1519

Five Hundred Nineteen

Basics

Value: -1520 → -1519 → -1518

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 7 ² × 31

Divisors: 1, 7, 31, 49, 217, 1519

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10111101111

Octal: -2757

Duodecimal: -A67

Hexadecimal: -5ef

Square: 2307361

Square Root: 38.97435053981015

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

First differences of A014292. A104862

Coefficients in the power series expansion of A(x) = ∑_n=-oo..+oo n·xⁿ * (1 - xⁿ)^n-2. A356774

a(n) = ∑_k=0..n A105595(k)*(-1)^k*A105595(n-k) (interpolated zeros suppressed). A105596

Expansion of (1-5·x-x²+x³)/((1+x)*(1-x)³). A141354

G.f.: imaginary part of 1/(1 - i·x - i·x²) where i=sqrt(-1). A201838

a(n) = 1 - 4·n - 4·n². A184882

Expansion of g.f. ∏_n>=1 (1-xⁿ)*(1-x^5·n)/(1-x^3·n)². A54274

First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 342", based on the 5-celled von Neumann neighborhood. A269512

First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 261", based on the 5-celled von Neumann neighborhood. A271064

First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 361", based on the 5-celled von Neumann neighborhood. A271417