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A234930 Decimal expansion of sqrt(9.87654321). 0

%I #20 Apr 02 2015 13:58:01

%S 3,1,4,2,6,9,6,8,0,5,2,9,3,1,8,6,4,0,7,9,2,5,5,3,9,8,8,2,0,1,3,4,8,6,

%T 0,1,3,8,1,5,1,1,5,7,3,2,5,7,4,1,5,2,9,9,7,3,7,8,3,8,6,2,0,4,3,2,9,6,

%U 9,6,5,9,6,8,8,5,8,2,7,8,5,6,6,6,5,1,6,0,7,1,3,4,3,7,8,9

%N Decimal expansion of sqrt(9.87654321).

%C This algebraic number has a minimal polynomial of x^2 - 987654321/10^8. It is off from Pi by 0.0011041517... Of course Pi is not algebraic.

%F sqrt(987654321/10^8) = 51 * sqrt(379721)/10^4.

%e sqrt(9.87654321) = 3.1426968052931864...

%t RealDigits[Sqrt[987654321/10^8], 10, 100][[1]]

%o (PARI) sqrt(9.87654321) \\ _Charles R Greathouse IV_, Jan 02 2014

%o (Sage) N(sqrt(987654321/10^8),digits=97) # _Danny Rorabaugh_, Apr 02 2015

%Y Cf. A000796.

%K nonn,cons,easy

%O 1,1

%A _Alonso del Arte_, Jan 01 2014, based on a remark from _Daniel Forgues_, Oct 02 2012

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