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**keerthi** · 14-02-06, 01:59 AM

7.In the 20th Century there are only seven years whose numbers are a mathematical oddity because their numbers signify a prime number. The first one of its kind was the year 1951. Can you name the other six?
Ans)1973,1979,1987,1993,1997,1999

14-02-06, 01:59 AM	#4 (permalink)
keerthi Moderator Join Date: Feb 2006 Posts: 1,419 Thanks: 0 Thanked 21 Times in 15 Posts Thanks: 0 Thanked 21 Times in 15 Posts Rep Power: 20	7.In the 20th Century there are only seven years whose numbers are a mathematical oddity because their numbers signify a prime number. The first one of its kind was the year 1951. Can you name the other six? Ans)1973,1979,1987,1993,1997,1999