It has been proven that there is no largest prime number, and therefore there exists a prime number, in fact, infinitely many, greater than 10^999999999 (having a billion digits); however, no humans have actually found a specific number of that size and identified it as prime.
These are the first 31 digits of pi:3.1415926535897932384626433832795The number not found is zero.
If you mean the number pi, no. It has an infinite number of digits (in any base), and those are not periodic.
Assessor Parcel Numbers (APN) are 8 digits long. The standard formatting for the numbers is 000-000-00. The book number is the first three digits. The page number is the next two digits. Your APN can be found on your value notice or tax bill.
There is no way to know how many significant digits are in 33000. If you are forced to choose then there are 2 significant digits but, again, there is really no way to tell. If the count of significant digits is important, the number should be expressed in scientific notation.
The transit number is the same as the routing number, which is usually the set of nine digits found on the bottom left of a personal check.
The draft number on a demand draft is found at the bottom of the check. The first six digits is the draft number, and they will be found under the dotted line at the bottom of the check.