73 is the natural number following 72 and preceding 74. It is a prime number, holding the distinction of being the 21st prime in the sequence. Often noted for its unique mathematical properties, it is also famously known as the Sheldon prime.
73 is the natural number following 72 and preceding 74. It is a prime number, holding the distinction of being the 21st prime in the sequence. Often noted for its unique mathematical properties, it is also famously known as the Sheldon prime.