👉 In mathematics, a special number is a number that has a particular property or feature. For example, 27 is a special number because it's divisible by 3 and 9. Similarly, π (pi) is considered a special number because it's irrational and thus cannot be expressed as the ratio of two rational numbers. Special numbers are often used in various mathematical contexts, such as in calculus, trigonometry, algebra, and even in cryptography to represent certain types of numbers that have
