Prime Numbers

I've got a nice way of expressing the previous posts in terms of binary numbers. I'll put something up on it shortly as I think it a...

I just want to explain a bit about how it works when powers are skipped. I gave this example in the last post (the start of a much longer s...

Edit: nb Everything that this posts tries to explain is given a cleaner exposition in this post http://barkerhugh.blogspot.co.uk/2013/10/a-b...

I quite like this chart as a way of thinking about Collatz chains. Each column after the first one is 2n-1 (where n is the cell to the ...

A modular problem revisited aka Giuga numbers I think this is quite interesting… I’ve been messing with this problem for a while. E...