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1st April
On this day in
1975
,
Martin Gardner
published an April's Fool hoax in
Scientific American
which claimed that
Ramanujan
had conjectured in a
1914
paper that
e
π
163
e^{\pi \sqrt{163}}
e
π
1
6
3
is an integer. In fact it is
262
537
412
640
768
743
.
9999999999992500
...