S 1 : There is a touching story of Professor Hardy visiting Ramanujan as he lay desperately ill in hospital at Putney. P: "No Hardy, that is not a dull number in the very least. Q: Hardy, who was a very shy man, could not find the words for his distress. R: It was 1729. S: The best he could do, as he got to the bedside was : "I say, Ramanujan, I thought the number of the taxi I came down in was a very dull number." S 6 : It is the lowest number that can be expressed in two different ways as the sum of two cubes." The Proper sequence should be: