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Tuesday, July 15, 2008

Tuesday's Tease........

What number comes next in the sequence:
61, 691, 163, 487, 4201, ?

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3 comments:

Bobbo said...

I got nothing. Trish?

Jim (Jimbo) (Jing) said...

Answer; 9631.
The sequence consists of the prime numbers which, when their digits are reversed, are perfect squares.

Bobbo said...

yeah, beyond me...