521 × 739

Prime Factor Structure

Factorization String 521 × 739

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 386,280

Proper Divisor Sum 1,261

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #385013 ← → #385027

1 521 739 385,019

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

385,019 1,155,058 577,529 1,732,588 866,294 433,147 1,299,442 649,721 1,949,164 974,582 487,291 1,461,874 730,937 2,192,812 1,096,406 548,203 1,644,610 822,305 2,466,916 1,233,458 616,729 1,850,188 925,094 462,547 1,387,642 693,821 2,081,464 1,040,732 520,366 260,183 780,550 390,275 1,170,826 585,413 1,756,240 878,120 439,060 219,530 109,765 329,296 164,648 82,324 41,162 20,581 61,744 30,872 15,436 7,718 3,859 11,578 5,789 17,368 8,684 4,342 2,171 6,514 3,257 9,772 4,886 2,443

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