Fourier was a French social philosopher who developed a form of utopian socialism known as Fourierism. He proposed the idea that the natural passions of humans would, if properly channeled, result in social harmony. The social organization for such development was to be based on an economic unit composed of 1,620 people living in a single community building and dividing work according to their interests and desires. Why did he designate 1,620 as the ideal number of persons in a phalanx? Discuss