7 × 20021

Prime Factor Structure

Factorization String 7 × 20021

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 160,176

Proper Divisor Sum 20,029

Digit Sum / Digital Root 17 (Root: 8)

Adjacent Primes #140143 ← → #140159

1 7 20,021 140,147

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

140,147 420,442 210,221 630,664 315,332 157,666 78,833 236,500 118,250 59,125 177,376 88,688 44,344 22,172 11,086 5,543 16,630 8,315 24,946 12,473 37,420 18,710 9,355 28,066 14,033 42,100 21,050 10,525 31,576 15,788 7,894 3,947 11,842 5,921 17,764 8,882 4,441 13,324 6,662 3,331 9,994 4,997 14,992 7,496 3,748 1,874 937 2,812 1,406 703 2,110 1,055 3,166 1,583 4,750 2,375 7,126 3,563 10,690 5,345

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