👉 In mathematics, "ultrasplendid" refers to a special type of number that is equal to the square root of 2. It can be defined as: 1. The square root of 2. 2. A number that is greater than or equal to 2 but less than √(4), and less than √(9) (where √x means square root of x). 3. An irrational number, meaning it cannot be expressed exactly in the form p/q