Checkers

Check if the number is an odious number. For example, Is 444 an odious number?

Find out the number of ways to divide a set into subsets. For example, How many ways of Bell number 8?

Check if the number is an automorphic number. For example, Is 25 an automorphic number?

Check if the number is a lucky number. Such as, Is 805 a lucky number?

Check if the number is a happy number or an unhappy number. For example, Is 2023 a happy number?

Check if a trinomial is a perfect square trinomial. For example, Is x^2 + 14x + 49 a perfect square trinomial

Check if a number is a squarefree integer. For example, Is 25 a squarefree integer?

Check the number is prime or composite. Such as, is 88 prime or composite?

Check if a number is a sphenic number. For example, Is 60 a sphenic number?

Check if a number is a highly composite number. For example, Is 360 a highly composite number?

Check if two numbers are relatively prime. For example, Are 46 and 105 relatively prime?

Check if a number is emirp. Such as, Is 1023 an emirp number?

Check if the number is semiprime. Such as, Is 2022 a semiprime number?

Check if two numbers are twin prime. Such as, Is 31 and 33 a twin prime?

Verify if a number is a perfect cube. Such as, Is 1728 a perfect cube?