Because I thought for sure it would be 605, here is 605: http://xkcd.com/605/ http://xkcd.com/605/ As acknowledged, this is not a serious answer. Because follo

Because I thought for sure it would be 605, here is 605: http://xkcd.com/605/ http://xkcd.com/605/ As acknowledged, this is not a serious answer. Because following Moore's law for 200 more years (the time at which we get a simulated human brain) allows 8e40 times the computing power we currently have.