2 × 5 × 7² × 1321

Prime Factor Structure

Factorization String 2 × 5 × 7^2 × 1321

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 1,356,372

Proper Divisor Sum 709,082

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #647263 ← → #647293

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

647,290 323,645 970,936 485,468 242,734 121,367 364,102 182,051 546,154 273,077 819,232 409,616 204,808 102,404 51,202 25,601 76,804 38,402 19,201 57,604 28,802 14,401 43,204 21,602 10,801 32,404 16,202 8,101 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 1,370 685

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