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What's Seven Got To Do With It? (Posted on 2018-05-14) Difficulty: 2 of 5
A simple algorithm generates the following sequence.

7, 115, 1411, 17141, 227721, 2757061, 35526761, ____?____

What number comes next?

  Submitted by Larry    
Rating: 3.0000 (1 votes)
Solution: (Hide)
When the numbers are converted from Base 8 to Base 10, they form the sequence:

7, 77, 777, 7777, etc.

Comments: ( You must be logged in to post comments.)
  Subject Author Date
Solutioncomputer extensionCharlie2018-05-14 10:33:42
SolutionMy lucky number (spoiler)Steve Herman2018-05-14 08:07:51
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