11

This number is a prime.

Just showing those entries submitted by 'Fellows': (Click here to show all)

Fasching (Carnival) begins in the Rhineland of Germany on the Eleventh minute of the eleventh hour of the eleventh day of the eleventh month (In German: Am elfte elfte elfte elfte!) [Fellows]

The largest prime whose cube (1331) can be displayed on a 24-hour digital clock. [Fellows]