3 × 7 × 19 × 9887

Prime Factor Structure

Factorization String 3 × 7 × 19 × 9887

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 6,328,320

Proper Divisor Sum 2,383,407

Digit Sum / Digital Root 33 (Root: 6)

Adjacent Primes #3944911 ← → #3944921

1 3 7 19 21 57 133 399 9,887 29,661 69,209 187,853 207,627 563,559 1,314,971 3,944,913

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

3,944,913 11,834,740 5,917,370 2,958,685 8,876,056 4,438,028 2,219,014 1,109,507 3,328,522 1,664,261 4,992,784 2,496,392 1,248,196 624,098 312,049 936,148 468,074 234,037 702,112 351,056 175,528 87,764 43,882 21,941 65,824 32,912 16,456 8,228 4,114 2,057 6,172 3,086 1,543 4,630 2,315 6,946 3,473 10,420 5,210 2,605 7,816 3,908 1,954 977 2,932 1,466 733 2,200 1,100 550 275 826 413 1,240 620 310 155 466 233 700

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