3 × 5 × 7 × 20717

Prime Factor Structure

Factorization String 3 × 5 × 7 × 20717

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 3,977,856

Proper Divisor Sum 1,802,571

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #2175263 ← → #2175293

1 3 5 7 15 21 35 105 20,717 62,151 103,585 145,019 310,755 435,057 725,095 2,175,285

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

2,175,285 6,525,856 3,262,928 1,631,464 815,732 407,866 203,933 611,800 305,900 152,950 76,475 229,426 114,713 344,140 172,070 86,035 258,106 129,053 387,160 193,580 96,790 48,395 145,186 72,593 217,780 108,890 54,445 163,336 81,668 40,834 20,417 61,252 30,626 15,313 45,940 22,970 11,485 34,456 17,228 8,614 4,307 12,922 6,461 19,384 9,692 4,846 2,423 7,270 3,635 10,906 5,453 16,360 8,180 4,090 2,045 6,136 3,068 1,534 767 2,302

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