3 × 5 × 7 × 20507

Prime Factor Structure

Factorization String 3 × 5 × 7 × 20507

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 3,937,536

Proper Divisor Sum 1,784,301

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #2153227 ← → #2153243

1 3 5 7 15 21 35 105 20,507 61,521 102,535 143,549 307,605 430,647 717,745 2,153,235

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

2,153,235 6,459,706 3,229,853 9,689,560 4,844,780 2,422,390 1,211,195 3,633,586 1,816,793 5,450,380 2,725,190 1,362,595 4,087,786 2,043,893 6,131,680 3,065,840 1,532,920 766,460 383,230 191,615 574,846 287,423 862,270 431,135 1,293,406 646,703 1,940,110 970,055 2,910,166 1,455,083 4,365,250 2,182,625 6,547,876 3,273,938 1,636,969 4,910,908 2,455,454 1,227,727 3,683,182 1,841,591 5,524,774 2,762,387 8,287,162 4,143,581 12,430,744 6,215,372 3,107,686 1,553,843 4,661,530 2,330,765 6,992,296 3,496,148 1,748,074 874,037 2,622,112 1,311,056 655,528 327,764 163,882 81,941

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