Hi everybody! welcome to activemath. I am delighted that you all are a part of the activemath team.
A maths puzzle for you
1. Is 2013 a prime number? If not when is the next prime year.
2. Every one of its digits in this new year is different.
when did that last happen and when will it next happen?
A maths puzzle for you
1. Is 2013 a prime number? If not when is the next prime year.
2. Every one of its digits in this new year is different.
when did that last happen and when will it next happen?