Properties of the Number -52787

Fifty-Two Thousand Seven Hundred Eighty-Seven

Basics

Value: -52788 → -52787 → -52786

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 7 × 7541

Divisors: 1, 7, 7541, 52787

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1100111000110011

Octal: -147063

Duodecimal: -2666B

Hexadecimal: -ce33

Square: 2786467369

Square Root: 229.7542165010253

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

a(n) = ceiling(li(2·2ⁿ) - li(2ⁿ)) - (π(2·2ⁿ) - π(2ⁿ)) with li(x) the logarithmic integral and π(x) the prime counting function. A223853

G.f.: A(x) = exp( ∑_n>=1 A162552(n)²*xⁿ/n ) where the l.g.f. of A162552 is the log of the characteristic function of the squares. A162553

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 443", based on the 5-celled von Neumann neighborhood. A272227