Here is an anecdote about the Famous “Ramanujam-Hardy Number” – 1729 in the words of Hardy himself:
I remember once going to see him when he was ill at Putney. I had ridden in taxi cab number 1729 and remarked that the number seemed to me rather a dull one, and that I hoped it was not an unfavorable omen.
“No,” he replied, “it is a very interesting number; it is the smallest number expressible as the sum of two [positive] cubes in two different ways.”
(1729 = 13 +123 = 93 + 103)
Source:
http://bit.ly/NLlF8H Srinivasa Ramanujan was one of India’s greatest mathematical geniuses. He made substantial contributions to the analytical theory of numbers and worked on elliptic functions, continued fractions, and infinite series. He was a poor and sickly Hindu Brahmin from the Tamil Nadu state of south India, wh...

It is there in the intro by c.p.snow in the book you posted yesterday. It is a lovely book. Unfortunate I was not able to download it. Thanks for a great and series on ramanujan.
I need this book "Steel Towers for Power Transmission Lines: Elementary Design Principles by Allen H Stevenson" can u upload my email: v.v.selvaraj@gmail.com