2² × 20443

Prime Factor Structure

Factorization String 2^2 × 20443

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 6

Divisor Sum (σ) 143,108

Proper Divisor Sum 61,336

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #81769 ← → #81773

1 2 4 20,443 40,886 81,772

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

81,772 40,886 20,443 61,330 30,665 91,996 45,998 22,999 68,998 34,499 103,498 51,749 155,248 77,624 38,812 19,406 9,703 29,110 14,555 43,666 21,833 65,500 32,750 16,375 49,126 24,563 73,690 36,845 110,536 55,268 27,634 13,817 41,452 20,726 10,363 31,090 15,545 46,636 23,318 11,659 34,978 17,489 52,468 26,234 13,117 39,352 19,676 9,838 4,919 14,758 7,379 22,138 11,069 33,208 16,604 8,302 4,151 12,454 6,227 18,682

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