They are, 1, 10, 11, 100, 101, 110, 111, 1000, 1001, 1010, 1011, 1100, 1101, 1110, 1111.
16
the sum of the first 15 prime numbers is 328 .
The first 12 composite numbers are.... 4,6,8,9,10,12,14,15,16,18,20,21,A composite number is basically any number that can go into that number, so like 15 is a composite number because 15x1=15,and then 5x3=15. That's two or more pair of numbers.
First five whole numbers are: 0 1 2 3 4
The first 15 prime numbers are 2, 3, 5, 7, 11 ,13, 17, 19, 23, 29, 31, 37, 41, 43, and 47.