This number is considered an irrational number because it cannot be expressed as a ratio between two numbers, meaning that it cannot be wriiten as a fraction as there is an infinite number of non repeating digits.
An irrational number is infinte and has no clear pattern. 3.33333 or .686868686868 would not be considered irrational because there is a clear pattern, but 5.432523421672389... would not be considered rational because the numbers it consists of are all random.
