3 × 5 × 7² × 17 × 31

Prime Factor Structure

Factorization String 3 × 5 × 7^2 × 17 × 31

Distinct Prime Factors 5

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 48

Divisor Sum (σ) 787,968

Proper Divisor Sum 400,623

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #387341 ← → #387371

1 3 5 7 15 17 21 31 35 49 51 85 93 105 119 147 155 217 245 255 357 465 527 595 651 735 833 1,085 1,519 1,581 1,785 2,499 2,635 3,255 3,689 4,165 4,557 7,595 7,905 11,067 12,495 18,445 22,785 25,823 55,335 77,469 129,115 387,345

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

387,345 1,162,036 581,018 290,509 871,528 435,764 217,882 108,941 326,824 163,412 81,706 40,853 122,560 61,280 30,640 15,320 7,660 3,830 1,915 5,746 2,873 8,620 4,310 2,155 6,466 3,233 9,700 4,850 2,425 7,276 3,638 1,819 5,458 2,729 8,188 4,094 2,047 6,142 3,071 9,214 4,607 13,822 6,911 20,734 10,367 31,102 15,551 46,654 23,327 69,982 34,991 104,974 52,487 157,462 78,731 236,194 118,097 354,292 177,146 88,573

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