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  Subj:.....What Is The Next Number (S507c)
          From: tromeo on 10/6/2006
Source: http://www.apuzzlezone.com/adailypuzzle/10-07-06.html
 

What is the next number in this series:
1248 1632 6412 8256 ????
 
 
 
 

Solution:

Regrouping the series as 1,2,4,8,16,32,64,128, and 256,
the next two terms in this series are 512 and 1024. The
answer to the question is 5121.