{123, 132, 213, 231, 312, 321}
Cmlxxxvii cxxiii cccxxi
Just 6: 123 132 213 231 312 321
123 132 213 231 321 312 6 ways
49 x 321 = 15729
That is related to the fact that 198 + 123 = 321.That is related to the fact that 198 + 123 = 321.That is related to the fact that 198 + 123 = 321.That is related to the fact that 198 + 123 = 321.
7,396,547,805
444
123 + 321 = 444
The greatest common factor of 123 and 321 is 3.
{123, 132, 213, 231, 312, 321}
123 132 231 213 312 321
444
321
9
0112234-0112234-0112234-012-123-123-123-1234_4321-321-321-321-210-4332210-4332210-4332210
To find the number midway between two others, add the two numbers and divide by 2. Thus, the number halfway between 123 and 321 is (123+321)/2 = 444/2 = 222.