2 × 7 × 20639

Prime Factor Structure

Factorization String 2 × 7 × 20639

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 495,360

Proper Divisor Sum 206,414

Digit Sum / Digital Root 37 (Root: 1)

Adjacent Primes #288931 ← → #288947

1 2 7 14 20,639 41,278 144,473 288,946

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

288,946 144,473 433,420 216,710 108,355 325,066 162,533 487,600 243,800 121,900 60,950 30,475 91,426 45,713 137,140 68,570 34,285 102,856 51,428 25,714 12,857 38,572 19,286 9,643 28,930 14,465 43,396 21,698 10,849 32,548 16,274 8,137 24,412 12,206 6,103 18,310 9,155 27,466 13,733 41,200 20,600 10,300 5,150 2,575 7,726 3,863 11,590 5,795 17,386 8,693 26,080 13,040 6,520 3,260 1,630 815 2,446 1,223 3,670 1,835

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