Bittersweet news -- but he lived a productive and long life. I came upon parasitic numbers by researching Freeman Dyson one day. Very cool. Read up on them: ht

Bittersweet news -- but he lived a productive and long life. I came upon parasitic numbers by researching Freeman Dyson one day. Very cool. Read up on them: https://en.wikipedia.org/wiki/Parasitic_number https://en.wikipedia.org/wiki/Parasitic_number