5 × 11 × 71 × 421

Prime Factor Structure

Factorization String 5 × 11 × 71 × 421

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 2,187,648

Proper Divisor Sum 543,643

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #1644001 ← → #1644031

1 5 11 55 71 355 421 781 2,105 3,905 4,631 23,155 29,891 149,455 328,801 1,644,005

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

1,644,005 4,932,016 2,466,008 1,233,004 616,502 308,251 924,754 462,377 1,387,132 693,566 346,783 1,040,350 520,175 1,560,526 780,263 2,340,790 1,170,395 3,511,186 1,755,593 5,266,780 2,633,390 1,316,695 3,950,086 1,975,043 5,925,130 2,962,565 8,887,696 4,443,848 2,221,924 1,110,962 555,481 1,666,444 833,222 416,611 1,249,834 624,917 1,874,752 937,376 468,688 234,344 117,172 58,586 29,293 87,880 43,940 21,970 10,985 32,956 16,478 8,239 24,718 12,359 37,078 18,539 55,618 27,809 83,428 41,714 20,857 62,572

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