This is a puzzle cache. Cache hidden at given coordinates but solution to puzzle required to open the cache.
Mathematical Beauty 2: Not a dull number
To find this cache requires no more than a GPSr but to access the cache itself requires the smallest solution to this puzzle.
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You will need the answer to log your find.
Nf znguf grnpuref fnl, "Gur nafjre vf va gur dhrfgvba".