5 × 17 × 41 × 521

Prime Factor Structure

Factorization String 5 × 17 × 41 × 521

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 2,367,792

Proper Divisor Sum 552,107

Digit Sum / Digital Root 34 (Root: 7)

Adjacent Primes #1815673 ← → #1815691

1 5 17 41 85 205 521 697 2,605 3,485 8,857 21,361 44,285 106,805 363,137 1,815,685

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

1,815,685 5,447,056 2,723,528 1,361,764 680,882 340,441 1,021,324 510,662 255,331 765,994 382,997 1,148,992 574,496 287,248 143,624 71,812 35,906 17,953 53,860 26,930 13,465 40,396 20,198 10,099 30,298 15,149 45,448 22,724 11,362 5,681 17,044 8,522 4,261 12,784 6,392 3,196 1,598 799 2,398 1,199 3,598 1,799 5,398 2,699 8,098 4,049 12,148 6,074 3,037 9,112 4,556 2,278 1,139 3,418 1,709 5,128 2,564 1,282 641 1,924

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