3 × 7 × 11 × 137

Prime Factor Structure

Factorization String 3 × 7 × 11 × 137

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 52,992

Proper Divisor Sum 21,345

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #31643 ← → #31649

1 3 7 11 21 33 77 137 231 411 959 1,507 2,877 4,521 10,549 31,647

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

31,647 94,942 47,471 142,414 71,207 213,622 106,811 320,434 160,217 480,652 240,326 120,163 360,490 180,245 540,736 270,368 135,184 67,592 33,796 16,898 8,449 25,348 12,674 6,337 19,012 9,506 4,753 14,260 7,130 3,565 10,696 5,348 2,674 1,337 4,012 2,006 1,003 3,010 1,505 4,516 2,258 1,129 3,388 1,694 847 2,542 1,271 3,814 1,907 5,722 2,861 8,584 4,292 2,146 1,073 3,220 1,610 805 2,416 1,208

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