173713
This number is a prime.
17:37:13 is the largest emirp time occurring simultaneously
at emirp hours, emirp minutes, and emirp seconds, on a
24-hour digit clock. Note that interchanging the hours and
seconds values (13:37:17) corresponds to another emirp
time. [Beedassy]
(There is one curio for this number that has not yet been approved by an editor.)
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