The first 6 composite numbers are 4, 6, 8, 9, 10, and 12.
The first six triangular numbers are 1, 3, 6, 10, 15 and 21.
it is 5
2,3,5,6,7,8
3.14159
48 squired meter
The first 6 composite numbers are 4, 6, 8, 9, 10, and 12.
The first 6 square numbers are: 1, 4, 9, 16, 25, 36
The first six triangular numbers are 1, 3, 6, 10, 15 and 21.
it is 5
1,4,9,16,25,36.
1.4.9.16.25.36
2,3,5,6,7,8
3.14159
The first two triangle numbers are 3 and 6. [Unless you start with 1 as the first.]
The first three composite numbers are 4, 6, and 8. 8 x 6 x 4 = 192
First 3 composite numbers: 4+6+8 = 18 and 18/3 = 6 which is the average number