Calculates 999999^2^20 and stores the value in base 16 to a file

numbers.rb

def calc()
	x = 999999
	20.times{x = x * x}
	return x
end

t1 = Time.now
x = calc()
t2 = Time.now
print (t2-t1).to_s + "s taken to calc 999999^2^20\n"
File.open('numbers.txt', 'w') do |f2|  
	f2.puts x.to_s(16)
end