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Old 2013-02-12, 16:17   #1
Nick
 
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Dec 2012
The Netherlands

5D916 Posts
Default Playing with decimal representation

Nothing deep here, just a light-hearted puzzle.
Find the next number (i.e. its first digit) in the following sequence:
5
25
625
0625
90625
890625
2890625
12890625
212890625
8212890625
18212890625
918212890625
...
2166509580863811000557423423230896109004106619977392256259918212890625
and then?

Now do the same for:
6
76
376
...
7833490419136188999442576576769103890995893380022607743740081787109376
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