The first twelve square numbers are:
1, 4, 9, 16, 25, 36, 49, 64, 81, 100, 121, 144
The LCM of the first twelve counting numbers is 27720
The first twelve numbers of pi are 3.14159265358
2,3,5,7,11,13, 17,19,23,29,31,37
The first twelve triangular numbers are: 1 3 6 10 15 21 28 36 45 55 66 78
16, 25 and 36.
the first 4 square numbers are 1, 4, 9, and 16.
The first twenty square numbers are:1,49162536496481100121144169196225256289324361400
The first 5 square numbers are 1, 4, 9, 16, and 25.
4 squared minus 2 squared equals 12
135791241345
The first four PRIME numbers are 2,3,5,7. If you square these you get 4,9,25,49. The first four squared numbers could be 1,4,9,16
Twelve square miles is the area.