How is that a Taxicab number? It’s only the sum of cubes in one way!

Great article, though — I love this stuff. Personal anecdote: when I heard the Ramanujan story when I was a boy, I said, “Oh, I see this coming!” before the punchline.

It ain’t that I’m that smart, ’cause I ain’t— it’s that in base 10, this is obvious if you love numbers, because 729 and 1728 look so visually similar and are such familiar numbers to you.