The Mystery Around the Number 6174

Yutaka Nishiyama writes, "The number 6174 is a really mysterious number. At first glance, it might not seem so obvious. But as we are about to see, anyone who can subtract can uncover the mystery that makes 6174 so special." The article in +plus magazine goes on to show all the details. It's written plainly so that those of us who are not mathematicians (like me) can still follow it. To find out the interesting thing about 6174, read the complete article here. Via Cliff Pickover's RealityCarnival.