Properties of the Number -19088

Nineteen Thousand Eighty-Eight

Basics

Value: -19089 → -19088 → -19087

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 ⁴ × 1193

Divisors: 1, 2, 4, 8, 16, 1193, 2386, 4772, 9544, 19088

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100101010010000

Octal: -45220

Duodecimal: -B068

Hexadecimal: -4a90

Square: 364351744

Square Root: 138.15932831336434

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

Starts of runs of 3 consecutive tribonacci-Niven numbers (A352089). A352091

a(n) = ∑_{k=0..floor(n/4)} 2^n-4·k * binomial(2·n-6·k,2·k). A387691

G.f.: (x²+x-1)*(1+2·x+S)*(1-5·x+2·x²+(3·x-1)*S)²*(-1+3·x+2·x²+(1-x)*S), where S=sqrt(1-4·x). A135925

a(n) = (1/24)*(sigma₃(2·n-1) - sigma₁(2·n-1)). A81861

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 609", based on the 5-celled von Neumann neighborhood. A273210

Number of walks within N² (the first quadrant of Z²) starting at (0,0) and consisting of n steps taken from {(-1, -1), (-1, 1), (-1, 0), (0, 1), (1, -1), (1, 0), (1, 1)}. A151329