19991227
This number is a prime.
Just showing those entries submitted by 'Bellows': (Click here to show all)
The last (or largest) prime date in the 20th century, when expressed in the international YYYY-MM-DD format as 1999-12-27 (December 27th, 1999). Is your birthday prime? [Bellows]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell