1- We all know that 14159 are the first five decimal digits of PI, but how many times does this sequence appear in the first 10 million digits of PI?

2- Also in the first 10 million digits of pi,

how many times does X appear, where X is the first 5-digit prime that use five different numbers?

3- And at what position of PI will you find the first 4-digit prime?

4- And at what position of PI will you find the first 5-digit prime?

And an easy one to sweeten things up!

5- What two 2-digit primes when converted to binary "resemble" a decimal prime?