OFFSET
17,1
COMMENTS
Before its redefinition in 2015, a parsec was defined as the distance at which one astronomical unit subtends an angle of one arcsecond, which yielded the slightly different value of 1 au/tan(Pi/(180*3600)), cf. A248424.
FORMULA
MATHEMATICA
First[RealDigits[149597870700*648000/Pi, 10, 100]] (* Paolo Xausa, Apr 29 2024 *)
PROG
(PARI) 149597870700*648000/Pi
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
M. F. Hasler, Sep 18 2017
STATUS
approved