3 × 7 × 47 × 443

Prime Factor Structure

Factorization String 3 × 7 × 47 × 443

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 681,984

Proper Divisor Sum 244,743

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #437237 ← → #437243

1 3 7 21 47 141 329 443 987 1,329 3,101 9,303 20,821 62,463 145,747 437,241

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

437,241 1,311,724 655,862 327,931 983,794 491,897 1,475,692 737,846 368,923 1,106,770 553,385 1,660,156 830,078 415,039 1,245,118 622,559 1,867,678 933,839 2,801,518 1,400,759 4,202,278 2,101,139 6,303,418 3,151,709 9,455,128 4,727,564 2,363,782 1,181,891 3,545,674 1,772,837 5,318,512 2,659,256 1,329,628 664,814 332,407 997,222 498,611 1,495,834 747,917 2,243,752 1,121,876 560,938 280,469 841,408 420,704 210,352 105,176 52,588 26,294 13,147 39,442 19,721 59,164 29,582 14,791 44,374 22,187 66,562 33,281 99,844

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