Properties of the Number -2599

Five Hundred Ninety-Nine

Basics

Value: -2600 → -2599 → -2598

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 23 × 113

Divisors: 1, 23, 113, 2599

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -101000100111

Octal: -5047

Duodecimal: -1607

Hexadecimal: -a27

Square: 6754801

Square Root: 50.98038838612354

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

G.f.: ∑_n=-oo..+oo n·xⁿ * (1 - xⁿ)ⁿ. A291937

Expansion of ∏_k>0 1/(1 + x^k)^k·3. A279031

a(n) = -2·a(n - 1) -a(n - 2) -a(n - 3), a(0) = a(1) = a(2) = 1. A56016

a(n) = 1 - 4·n - 4·n². A184882

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

Total number of ON states after n generations of cellular automaton based on hexagons. A151723

a(n) = 7·a(n-1) + a(n-2), starting with a(0) = 2 and a(1) = 7. A86902

Expansion of 1/(1 - x - x⁴ + x⁶). A174522

Numbers k such that 5·k + 1 is a square. A36666

a(1) = 1; a(n) is smallest number > a(n-1) such that the juxtaposition a(1)a(2)...a(n) is a prime. A74336