2² × 160879

Prime Factor Structure

Factorization String 2^2 × 160879

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 6

Divisor Sum (σ) 1,126,160

Proper Divisor Sum 482,644

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #643507 ← → #643523

1 2 4 160,879 321,758 643,516

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

643,516 321,758 160,879 482,638 241,319 723,958 361,979 1,085,938 542,969 1,628,908 814,454 407,227 1,221,682 610,841 1,832,524 916,262 458,131 1,374,394 687,197 2,061,592 1,030,796 515,398 257,699 773,098 386,549 1,159,648 579,824 289,912 144,956 72,478 36,239 108,718 54,359 163,078 81,539 244,618 122,309 366,928 183,464 91,732 45,866 22,933 68,800 34,400 17,200 8,600 4,300 2,150 1,075 3,226 1,613 4,840 2,420 1,210 605 1,816 908 454 227 682

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