2 × 3² × 35569

Prime Factor Structure

Factorization String 2 × 3^2 × 35569

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 1,387,230

Proper Divisor Sum 746,988

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #640231 ← → #640247

1 2 3 6 9 18 35,569 71,138 106,707 213,414 320,121 640,242

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

640,242 320,121 960,364 480,182 240,091 720,274 360,137 1,080,412 540,206 270,103 810,310 405,155 1,215,466 607,733 1,823,200 911,600 455,800 227,900 113,950 56,975 170,926 85,463 256,390 128,195 384,586 192,293 576,880 288,440 144,220 72,110 36,055 108,166 54,083 162,250 81,125 243,376 121,688 60,844 30,422 15,211 45,634 22,817 68,452 34,226 17,113 51,340 25,670 12,835 38,506 19,253 57,760 28,880 14,440 7,220 3,610 1,805 5,416 2,708 1,354 677

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