173 (number)

173 is a number. It comes after 172 and before 174.

 In Mathematics 
173 is a prime number, which means it can only be divided by 1 and itself.
It is part of a group called Chen primes, a special type of prime numbers.
173 is the sum of three consecutive prime numbers: 53, 59, and 61.

Category:Integers
Category:Prime numbers