7 × 13 × 43 × 1019

Prime Factor Structure

Factorization String 7 × 13 × 43 × 1019

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 5,026,560

Proper Divisor Sum 1,039,213

Digit Sum / Digital Root 41 (Root: 5)

Adjacent Primes #3987323 ← → #3987353

1 7 13 43 91 301 559 1,019 3,913 7,133 13,247 43,817 92,729 306,719 569,621 3,987,347

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

3,987,347 11,962,042 5,981,021 17,943,064 8,971,532 4,485,766 2,242,883 6,728,650 3,364,325 10,092,976 5,046,488 2,523,244 1,261,622 630,811 1,892,434 946,217 2,838,652 1,419,326 709,663 2,128,990 1,064,495 3,193,486 1,596,743 4,790,230 2,395,115 7,185,346 3,592,673 10,778,020 5,389,010 2,694,505 8,083,516 4,041,758 2,020,879 6,062,638 3,031,319 9,093,958 4,546,979 13,640,938 6,820,469 20,461,408 10,230,704 5,115,352 2,557,676 1,278,838 639,419 1,918,258 959,129 2,877,388 1,438,694 719,347 2,158,042 1,079,021 3,237,064 1,618,532 809,266 404,633 1,213,900 606,950 303,475 910,426

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