What is the next number 2 3 5 7 11 13 17?

The next number in the sequence is 19. This sequence consists of prime numbers, which are numbers that are only divisible by 1 and themselves. The sequence begins with the first few prime numbers: 2, 3, 5, 7, 11, 13, 17, and continues on with 19. Prime numbers are important in mathematics and are used in various applications such as cryptography and number theory.