3 × 7 × 139 × 821

Prime Factor Structure

Factorization String 3 × 7 × 139 × 821

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 3,682,560

Proper Divisor Sum 1,286,061

Digit Sum / Digital Root 42 (Root: 6)

Adjacent Primes #2396497 ← → #2396509

1 3 7 21 139 417 821 973 2,463 2,919 5,747 17,241 114,119 342,357 798,833 2,396,499

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

2,396,499 7,189,498 3,594,749 10,784,248 5,392,124 2,696,062 1,348,031 4,044,094 2,022,047 6,066,142 3,033,071 9,099,214 4,549,607 13,648,822 6,824,411 20,473,234 10,236,617 30,709,852 15,354,926 7,677,463 23,032,390 11,516,195 34,548,586 17,274,293 51,822,880 25,911,440 12,955,720 6,477,860 3,238,930 1,619,465 4,858,396 2,429,198 1,214,599 3,643,798 1,821,899 5,465,698 2,732,849 8,198,548 4,099,274 2,049,637 6,148,912 3,074,456 1,537,228 768,614 384,307 1,152,922 576,461 1,729,384 864,692 432,346 216,173 648,520 324,260 162,130 81,065 243,196 121,598 60,799 182,398 91,199

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