3 × 11 × 13 × 503

Prime Factor Structure

Factorization String 3 × 11 × 13 × 503

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 338,688

Proper Divisor Sum 122,901

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #215771 ← → #215797

1 3 11 13 33 39 143 429 503 1,509 5,533 6,539 16,599 19,617 71,929 215,787

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

215,787 647,362 323,681 971,044 485,522 242,761 728,284 364,142 182,071 546,214 273,107 819,322 409,661 1,228,984 614,492 307,246 153,623 460,870 230,435 691,306 345,653 1,036,960 518,480 259,240 129,620 64,810 32,405 97,216 48,608 24,304 12,152 6,076 3,038 1,519 4,558 2,279 6,838 3,419 10,258 5,129 15,388 7,694 3,847 11,542 5,771 17,314 8,657 25,972 12,986 6,493 19,480 9,740 4,870 2,435 7,306 3,653 10,960 5,480 2,740 1,370

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