13 × 31 × 1721

Prime Factor Structure

Factorization String 13 × 31 × 1721

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 771,456

Proper Divisor Sum 77,893

Digit Sum / Digital Root 32 (Root: 5)

Adjacent Primes #693533 ← → #693569

1 13 31 403 1,721 22,373 53,351 693,563

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

693,563 2,080,690 1,040,345 3,121,036 1,560,518 780,259 2,340,778 1,170,389 3,511,168 1,755,584 877,792 438,896 219,448 109,724 54,862 27,431 82,294 41,147 123,442 61,721 185,164 92,582 46,291 138,874 69,437 208,312 104,156 52,078 26,039 78,118 39,059 117,178 58,589 175,768 87,884 43,942 21,971 65,914 32,957 98,872 49,436 24,718 12,359 37,078 18,539 55,618 27,809 83,428 41,714 20,857 62,572 31,286 15,643 46,930 23,465 70,396 35,198 17,599 52,798 26,399

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