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To Ramanujan, each number was a personal friend in whose company, a lifetime he did spend. Let us too begin this quest to befriend numbers of interest. A friend of a friend is a friend, may we not pretend ?!
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B Sury was in the School of Mathematics of TIFR Bombay from 1981 to 1999. Since 1999, he has been with the Indian Statistical Institute in Bangalore. His research interests are in algebra and number theory. He is the Karnataka coordinator for the Mathematical Olympiad Programme in India.
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Sury, B. Which positive integers are interesting?. Reson 20, 680–698 (2015). https://doi.org/10.1007/s12045-015-0226-z
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DOI: https://doi.org/10.1007/s12045-015-0226-z