3 × 7 × 26821

Prime Factor Structure

Factorization String 3 × 7 × 26821

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 858,304

Proper Divisor Sum 295,063

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #563219 ← → #563249

1 3 7 21 26,821 80,463 187,747 563,241

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

563,241 1,689,724 844,862 422,431 1,267,294 633,647 1,900,942 950,471 2,851,414 1,425,707 4,277,122 2,138,561 6,415,684 3,207,842 1,603,921 4,811,764 2,405,882 1,202,941 3,608,824 1,804,412 902,206 451,103 1,353,310 676,655 2,029,966 1,014,983 3,044,950 1,522,475 4,567,426 2,283,713 6,851,140 3,425,570 1,712,785 5,138,356 2,569,178 1,284,589 3,853,768 1,926,884 963,442 481,721 1,445,164 722,582 361,291 1,083,874 541,937 1,625,812 812,906 406,453 1,219,360 609,680 304,840 152,420 76,210 38,105 114,316 57,158 28,579 85,738 42,869 128,608

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