2 × 321743

Prime Factor Structure

Factorization String 2 × 321743

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 965,232

Proper Divisor Sum 321,746

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #643469 ← → #643493

1 2 321,743 643,486

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

643,486 321,743 965,230 482,615 1,447,846 723,923 2,171,770 1,085,885 3,257,656 1,628,828 814,414 407,207 1,221,622 610,811 1,832,434 916,217 2,748,652 1,374,326 687,163 2,061,490 1,030,745 3,092,236 1,546,118 773,059 2,319,178 1,159,589 3,478,768 1,739,384 869,692 434,846 217,423 652,270 326,135 978,406 489,203 1,467,610 733,805 2,201,416 1,100,708 550,354 275,177 825,532 412,766 206,383 619,150 309,575 928,726 464,363 1,393,090 696,545 2,089,636 1,044,818 522,409 1,567,228 783,614 391,807 1,175,422 587,711 1,763,134 881,567

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