13 × 157²

Prime Factor Structure

Factorization String 13 × 157^2

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 6

Divisor Sum (σ) 347,298

Proper Divisor Sum 26,861

Digit Sum / Digital Root 19 (Root: 1)

Adjacent Primes #320431 ← → #320449

1 13 157 2,041 24,649 320,437

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

320,437 961,312 480,656 240,328 120,164 60,082 30,041 90,124 45,062 22,531 67,594 33,797 101,392 50,696 25,348 12,674 6,337 19,012 9,506 4,753 14,260 7,130 3,565 10,696 5,348 2,674 1,337 4,012 2,006 1,003 3,010 1,505 4,516 2,258 1,129 3,388 1,694 847 2,542 1,271 3,814 1,907 5,722 2,861 8,584 4,292 2,146 1,073 3,220 1,610 805 2,416 1,208 604 302 151 454 227 682 341

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