I know very little about SAGE, but surely the point is that this is not well-defined: what rational were you expecting? You can only guarantee to get a number with (num,den) <sqrt(p^k/2), and there isn't one, as 1 itself doesn't work. Did you wnat to convert to integer? On May 26, 1:53 am, Mel <chemmyg...@gmail.com> wrote: > Specifically, there are certain p-adic numbers that I cannot convert > to rationals. As an example, if 1+7^3+O(7^5) is a 7-adic integer with > capped relative precision 5, I cannot convert it to a rational. I get > the error "ValueError: Rational reconstruction of 344 (mod 16807) does > not exist."
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