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2719 (just those submitted by Beedassy) |
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Just showing those entries submitted by 'Beedassy': (Click here to show all) 
In 1917, Ramanujan gave a short
list of odd numbers which cannot be written as x2 + y2 + 10z2. Eighty years later it is was shown that 2719 is surely the largest such number (GRH). Did you notice 2719 is a permutation of the Hardy-Ramanujan number? [Ono1997] [Beedassy]
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