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A Prime (Number) Problem

Riddles are little poems or phrases that pose a question that needs answering. Riddles frequently rhyme, but this is not a requirement.


Puzzle ID:#47851
Fun:*** (2.15)
Difficulty:* (0.95)
Submitted By:rlc327us***!




There is a number that fulfills all of the following criteria/rules:

1. It is prime.
2. It is a whole number.
3. It is greater than or equal to 1.
4. If you double it, square it, and add itself to it, you get the same single digit even number answer for each operation.

What is this number?



2 is prime.
2 is a whole number.
2 is greater than 1.
2 x 2 = 4.
2 ^ 2 = 4.
2 + 2 = 4.
4 is a single digit even number, and is the answer for all the above operations.


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