3 × 7 × 11 × 8521

Prime Factor Structure

Factorization String 3 × 7 × 11 × 8521

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 3,272,448

Proper Divisor Sum 1,304,097

Digit Sum / Digital Root 33 (Root: 6)

Adjacent Primes #1968349 ← → #1968353

1 3 7 11 21 33 77 231 8,521 25,563 59,647 93,731 178,941 281,193 656,117 1,968,351

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

1,968,351 5,905,054 2,952,527 8,857,582 4,428,791 13,286,374 6,643,187 19,929,562 9,964,781 29,894,344 14,947,172 7,473,586 3,736,793 11,210,380 5,605,190 2,802,595 8,407,786 4,203,893 12,611,680 6,305,840 3,152,920 1,576,460 788,230 394,115 1,182,346 591,173 1,773,520 886,760 443,380 221,690 110,845 332,536 166,268 83,134 41,567 124,702 62,351 187,054 93,527 280,582 140,291 420,874 210,437 631,312 315,656 157,828 78,914 39,457 118,372 59,186 29,593 88,780 44,390 22,195 66,586 33,293 99,880 49,940 24,970 12,485

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