Add new comment

The question doesn't state that you stop at one. It simply states that if its odd, you x 3 and +1, if its even you ÷ 2. Which would include the odd number... 1. So it would therefore repeat.

Filtered HTML

  • Web page addresses and email addresses turn into links automatically.
  • Allowed HTML tags: <a href hreflang> <em> <strong> <cite> <code> <ul type> <ol start type> <li> <dl> <dt> <dd>
  • Lines and paragraphs break automatically.
  • Want facts and want them fast? Our Maths in a minute series explores key mathematical concepts in just a few words.