3² × 5 × 7 × 2179

Prime Factor Structure

Factorization String 3^2 × 5 × 7 × 2179

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 1,360,320

Proper Divisor Sum 673,935

Digit Sum / Digital Root 36 (Root: 9)

Adjacent Primes #686363 ← → #686417

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

686,385 2,059,156 1,029,578 514,789 1,544,368 772,184 386,092 193,046 96,523 289,570 144,785 434,356 217,178 108,589 325,768 162,884 81,442 40,721 122,164 61,082 30,541 91,624 45,812 22,906 11,453 34,360 17,180 8,590 4,295 12,886 6,443 19,330 9,665 28,996 14,498 7,249 21,748 10,874 5,437 16,312 8,156 4,078 2,039 6,118 3,059 9,178 4,589 13,768 6,884 3,442 1,721 5,164 2,582 1,291 3,874 1,937 5,812 2,906 1,453 4,360

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