A234930 Decimal expansion of sqrt(9.87654321).

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, 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, 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

Offset

1,1

Comments

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.

Links

Table of n, a(n) for n=1..96.

Formula

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

Example

sqrt(9.87654321) = 3.1426968052931864...

Mathematica

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

Prog

(PARI) sqrt(9.87654321) \\ Charles R Greathouse IV, Jan 02 2014
(Sage) N(sqrt(987654321/10^8), digits=97) # Danny Rorabaugh, Apr 02 2015

Crossrefs

Cf. A000796.

Sequence in context: A363653 A202154 A115208 * A351887 A273261 A274531

Adjacent sequences: A234927 A234928 A234929 * A234931 A234932 A234933

Keyword

nonn,cons,easy

Author

Alonso del Arte, Jan 01 2014, based on a remark from Daniel Forgues, Oct 02 2012

Status

approved