2 × 3³ × 389

Prime Factor Structure

Factorization String 2 × 3^3 × 389

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 46,800

Proper Divisor Sum 25,794

Digit Sum / Digital Root 9 (Root: 9)

Adjacent Primes #21001 ← → #21011

1 2 3 6 9 18 27 54 389 778 1,167 2,334 3,501 7,002 10,503 21,006

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

21,006 10,503 31,510 15,755 47,266 23,633 70,900 35,450 17,725 53,176 26,588 13,294 6,647 19,942 9,971 29,914 14,957 44,872 22,436 11,218 5,609 16,828 8,414 4,207 12,622 6,311 18,934 9,467 28,402 14,201 42,604 21,302 10,651 31,954 15,977 47,932 23,966 11,983 35,950 17,975 53,926 26,963 80,890 40,445 121,336 60,668 30,334 15,167 45,502 22,751 68,254 34,127 102,382 51,191 153,574 76,787 230,362 115,181 345,544 172,772

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