13 × 17 × 31 × 41

Prime Factor Structure

Factorization String 13 × 17 × 31 × 41

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 338,688

Proper Divisor Sum 57,797

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #280883 ← → #280897

1 13 17 31 41 221 403 527 533 697 1,271 6,851 9,061 16,523 21,607 280,891

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

280,891 842,674 421,337 1,264,012 632,006 316,003 948,010 474,005 1,422,016 711,008 355,504 177,752 88,876 44,438 22,219 66,658 33,329 99,988 49,994 24,997 74,992 37,496 18,748 9,374 4,687 14,062 7,031 21,094 10,547 31,642 15,821 47,464 23,732 11,866 5,933 17,800 8,900 4,450 2,225 6,676 3,338 1,669 5,008 2,504 1,252 626 313 940 470 235 706 353 1,060 530 265 796 398 199 598 299

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