73: Learn why 73 is

Learn why 73 is a special prime number with unique features and how it was discovered by a TV show character. Explore the mathematical facts, properties and history of prime numbers with Cuemath. Properties of 73: prime decomposition, primality test, divisors, arithmetic properties, and conversion in binary, octal, hexadecimal, etc. 73 is a permutable prime, meaning both 73 and its digit-reversed number, 37, are primes. The character Sheldon Cooper in "The Big Bang Theory" calls 73 the best number because of its unique properties and its binary palindrome. Is 73 a prime number? Numbers that have only 2 factors i.e. 1 and the number itself are prime numbers. Let’s find out in detail how and why is 73 a prime number?