821 × 2003

Prime Factor Structure

Factorization String 821 × 2003

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 1,647,288

Proper Divisor Sum 2,825

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #1644451 ← → #1644491

1 821 2,003 1,644,463

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

1,644,463 4,933,390 2,466,695 7,400,086 3,700,043 11,100,130 5,550,065 16,650,196 8,325,098 4,162,549 12,487,648 6,243,824 3,121,912 1,560,956 780,478 390,239 1,170,718 585,359 1,756,078 878,039 2,634,118 1,317,059 3,951,178 1,975,589 5,926,768 2,963,384 1,481,692 740,846 370,423 1,111,270 555,635 1,666,906 833,453 2,500,360 1,250,180 625,090 312,545 937,636 468,818 234,409 703,228 351,614 175,807 527,422 263,711 791,134 395,567 1,186,702 593,351 1,780,054 890,027 2,670,082 1,335,041 4,005,124 2,002,562 1,001,281 3,003,844 1,501,922 750,961 2,252,884

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