Anyone need a nice number puzzle these days?
 5984 is a factor in an interesting product. If you multiply 5984 by a certain four-digit num...

The number 17772 has a property that makes it unique among five-digit numbers: it is the sum of the squares of the five two-digit numbers f...

Sundays I like to post something fun in a puzzle or recreational math line. This starts a little slowly but I do get to some numerological ...

Reading: DRACULA, for the first time. Astounding Frontiers #2. I’m torn: I want to read John C Wright’s NOWHITHER straight through, and it’s...