Part 2/10:
At the heart of vortex math lies the principle that multiplying a number by a fixed factor can produce a sequence whose vortex sum—a digital root or mod 9 value—remains consistent or follows a predictable pattern. For example, multiplying a number by 3 often results in a new number with the same vortex sum as the original, implying a form of invariance within the sequence.
An illustrative case is the number 13. When multiplied by 3, it yields 39. The vortex sum or digital root of 39 (3 + 9) equals 12, which reduces further to 3 (1 + 2). This matches the vortex sum of the original number, demonstrating that the vortex sum remains unchanged under such operations.