2 × 7 × 13² × 9043

Prime Factor Structure

Factorization String 2 × 7 × 13^2 × 9043

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 39,721,248

Proper Divisor Sum 18,325,510

Digit Sum / Digital Root 38 (Root: 2)

Adjacent Primes #21395723 ← → #21395747

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

21,395,738 10,697,869 32,093,608 16,046,804 8,023,402 4,011,701 12,035,104 6,017,552 3,008,776 1,504,388 752,194 376,097 1,128,292 564,146 282,073 846,220 423,110 211,555 634,666 317,333 952,000 476,000 238,000 119,000 59,500 29,750 14,875 44,626 22,313 66,940 33,470 16,735 50,206 25,103 75,310 37,655 112,966 56,483 169,450 84,725 254,176 127,088 63,544 31,772 15,886 7,943 23,830 11,915 35,746 17,873 53,620 26,810 13,405 40,216 20,108 10,054 5,027 15,082 7,541 22,624

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