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Decimal expansion of 2/(4th root of 3).
2

%I #11 Jun 30 2021 08:23:02

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

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

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

%N Decimal expansion of 2/(4th root of 3).

%C The side length of an equilateral triangle with area 1.

%C Quartic number with denominator 3 and minimal polynomial 3x^4 - 16. - _Charles R Greathouse IV_, Jun 30 2021

%F A154605 = 2/A011002 = 2/(3^(1/4)).

%e 1.5196713713031850946623755013090906...

%t RealDigits[N[2/3^(1/4),200]][[1]] (* _Vladimir Joseph Stephan Orlovsky_, Feb 05 2012 *)

%t RealDigits[2/Surd[3,4],10,120][[1]] (* _Harvey P. Dale_, Mar 09 2019 *)

%o (PARI) 2/3^(1/4)

%o (PARI) 2/sqrt(sqrt(3))

%Y Cf. A011002, A120011.

%K cons,nonn

%O 1,2

%A _Rick L. Shepherd_, Jan 12 2009