2 × 7 × 43 × 521

Prime Factor Structure

Factorization String 2 × 7 × 43 × 521

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 551,232

Proper Divisor Sum 237,590

Digit Sum / Digital Root 19 (Root: 1)

Adjacent Primes #313639 ← → #313661

1 2 7 14 43 86 301 521 602 1,042 3,647 7,294 22,403 44,806 156,821 313,642

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

313,642 156,821 470,464 235,232 117,616 58,808 29,404 14,702 7,351 22,054 11,027 33,082 16,541 49,624 24,812 12,406 6,203 18,610 9,305 27,916 13,958 6,979 20,938 10,469 31,408 15,704 7,852 3,926 1,963 5,890 2,945 8,836 4,418 2,209 6,628 3,314 1,657 4,972 2,486 1,243 3,730 1,865 5,596 2,798 1,399 4,198 2,099 6,298 3,149 9,448 4,724 2,362 1,181 3,544 1,772 886 443 1,330 665 1,996

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