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1 day ago · The product logarithm Lambert W function plotted in the complex plane from −2 − 2i to 2 + 2i The graph of y = W(x) for real x < 6 and y > −4.The upper branch (blue) with y ≥ −1 is the graph of the function W 0 (principal branch), the lower branch (magenta) with y ≤ −1 is the graph of the function W −1.
1 day ago · 8 is the first proper Leyland number of the form xy + yx, where in its case x and y both equal 2. [4] 8 is the sum between the first pair of twin-primes ( 3, 5 ), and the only twin-prime sum that is not a multiple of 3 or 12. 8 is the sixth Fibonacci number and the first even, non-prime Fibonacci number.
