2 × 10680511

Prime Factor Structure

Factorization String 2 × 10680511

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 32,041,536

Proper Divisor Sum 10,680,514

Digit Sum / Digital Root 17 (Root: 8)

Adjacent Primes #21361013 ← → #21361031

1 2 10,680,511 21,361,022

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

21,361,022 10,680,511 32,041,534 16,020,767 48,062,302 24,031,151 72,093,454 36,046,727 108,140,182 54,070,091 162,210,274 81,105,137 243,315,412 121,657,706 60,828,853 182,486,560 91,243,280 45,621,640 22,810,820 11,405,410 5,702,705 17,108,116 8,554,058 4,277,029 12,831,088 6,415,544 3,207,772 1,603,886 801,943 2,405,830 1,202,915 3,608,746 1,804,373 5,413,120 2,706,560 1,353,280 676,640 338,320 169,160 84,580 42,290 21,145 63,436 31,718 15,859 47,578 23,789 71,368 35,684 17,842 8,921 26,764 13,382 6,691 20,074 10,037 30,112 15,056 7,528 3,764

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