3 × 7 × 23 × 41

Prime Factor Structure

Factorization String 3 × 7 × 23 × 41

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 32,256

Proper Divisor Sum 12,453

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #19801 ← → #19813

1 3 7 21 23 41 69 123 161 287 483 861 943 2,829 6,601 19,803

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

19,803 59,410 29,705 89,116 44,558 22,279 66,838 33,419 100,258 50,129 150,388 75,194 37,597 112,792 56,396 28,198 14,099 42,298 21,149 63,448 31,724 15,862 7,931 23,794 11,897 35,692 17,846 8,923 26,770 13,385 40,156 20,078 10,039 30,118 15,059 45,178 22,589 67,768 33,884 16,942 8,471 25,414 12,707 38,122 19,061 57,184 28,592 14,296 7,148 3,574 1,787 5,362 2,681 8,044 4,022 2,011 6,034 3,017 9,052 4,526

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