%I #33 May 30 2019 03:40:36
%S 1,6,7,2,6,2,1,9,2
%N Decimal expansion of proton mass (in kilograms).
%D CRC Handbook for Chemistry and Physics, 75th edition, (1994-1995), Page 1-1.
%H NIST, <a href="http://physics.nist.gov/cgi-bin/cuu/Value?mp|search_for=atomnuc!">proton mass</a>
%F 1.672621777(74) * 10-27 kg (2010 value).
%F 1.672621898(21) * 10-27 kg (2016 value). - _Fred Daniel Kline_, Sep 14 2016
%F 1.672 621 923 69(51) * 10^(-27) kg (2018 value). - _Ivan Panchenko_, May 30 2019
%Y Cf. A003677, A070058, A003678, A070062-A070064, A081801.
%K cons,nonn
%O -26,2
%A Ron Marcinski (ronmarcinski(AT)hotmail.com), Apr 18 2002
%E Corrected by C. Ronaldo (aga_new_ac(AT)hotmail.com), Dec 16 2004
%E Updated by _Ivan Panchenko_, May 30 2019