verifying Ramanujan constant

56 Views Asked by At

The famous Ramanujan constant $ e^{\pi \sqrt{163}} $ is a near-integer.

see the link here.

I tried to calculate this number with matlab and failed. Matlab cannot even deliver the first 9 apparently because of the double float precision.

     2.625374126407683e+17

It seems that we need a customized algorithm. Could anyone give a hint?

1

There are 1 best solutions below

0
On

Throwing this into Wolfram Alpha, my goto for stuff like this, I get

2.62537412640768743999999999999250072597198185688879353856337... × 10^17

with a continued fraction of

[262537412640768743; 1, 1333462407511, 1, 8, 1, 1, 5, 1, 4, 1, 7, 1, 1, 1, 9, 1, ...].