Padovan Number Checker
Check if the given number is a Padovan number. For example, Is 114 a Padovan number?
Euclid Number Checker
Check if the given number is a Euclid number. For example, Is 30031 a Euclid number?
Blum Integer Checker
Check if the number is a Blum integer. For example, Is 33 a Blum integer?
Prime Triplet Checker
Check if three numbers are prime triplet numbers. For example, Is 3 5 7 a prime triplet?
Sexy Prime Checker
Check if two numbers are sexy prime numbers. For example, are 101 and 107 sexy prime?
Sociable Number Checker
Check if the number is a sociable number. For example, Is 1210 a sociable number?
Weird Number Checker
Check if the number is a weird number. For example, Is 420 a weird number?
Smith Number Checker
Check if a number is a Smith number. For example, Is 202 a Smith number?
Lucas Number Checker
Check if a number is a Lucas number. For example, Is 199 a Lucas number?
Kaprekar Number Checker
Check if the number is a Kaprekar number. For example, Is 45 a Kaprekar number?
Interprime Calculator
Check if the number is an interprime. For example, Is 306 an interprime?
Harshad Number Calculator
Check if the number is a Harshad number. Such as, Is 2022 a Harshad number?
Friendly Numbers Calculator
Check if two numbers are friendly numbers. For example, Are 24 and 46 friendly numbers?
Evil Number Calculator
Check if the number is an evil number. For example, Is 17 an evil number?