2 × 10909

Prime Factor Structure

Factorization String 2 × 10909

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 32,730

Proper Divisor Sum 10,912

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #21817 ← → #21821

1 2 10,909 21,818

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

21,818 10,909 32,728 16,364 8,182 4,091 12,274 6,137 18,412 9,206 4,603 13,810 6,905 20,716 10,358 5,179 15,538 7,769 23,308 11,654 5,827 17,482 8,741 26,224 13,112 6,556 3,278 1,639 4,918 2,459 7,378 3,689 11,068 5,534 2,767 8,302 4,151 12,454 6,227 18,682 9,341 28,024 14,012 7,006 3,503 10,510 5,255 15,766 7,883 23,650 11,825 35,476 17,738 8,869 26,608 13,304 6,652 3,326 1,663 4,990

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