13⁴

Prime Factor Structure

Factorization String 13^4

Distinct Prime Factors 1

Square Status Yes (√28561 = 169)

Abundance Measure Deficient

Analytical Properties

Total Divisors 5

Divisor Sum (σ) 30,941

Proper Divisor Sum 2,380

Digit Sum / Digital Root 22 (Root: 4)

Adjacent Primes #28559 ← → #28571

1 13 169 2,197 28,561

Iterative sequence n → n/2 (if even) or 3n+1 (if odd):

28,561 85,684 42,842 21,421 64,264 32,132 16,066 8,033 24,100 12,050 6,025 18,076 9,038 4,519 13,558 6,779 20,338 10,169 30,508 15,254 7,627 22,882 11,441 34,324 17,162 8,581 25,744 12,872 6,436 3,218 1,609 4,828 2,414 1,207 3,622 1,811 5,434 2,717 8,152 4,076 2,038 1,019 3,058 1,529 4,588 2,294 1,147 3,442 1,721 5,164 2,582 1,291 3,874 1,937 5,812 2,906 1,453 4,360 2,180 1,090

Other feeder batches with open delivery windows. Each feeder keeps its own target batch.