2 × 3⁴ × 59 × 67

Prime Factor Structure

Factorization String 2 × 3^4 × 59 × 67

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 40

Divisor Sum (σ) 1,481,040

Proper Divisor Sum 840,654

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #640369 ← → #640411

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

640,386 320,193 960,580 480,290 240,145 720,436 360,218 180,109 540,328 270,164 135,082 67,541 202,624 101,312 50,656 25,328 12,664 6,332 3,166 1,583 4,750 2,375 7,126 3,563 10,690 5,345 16,036 8,018 4,009 12,028 6,014 3,007 9,022 4,511 13,534 6,767 20,302 10,151 30,454 15,227 45,682 22,841 68,524 34,262 17,131 51,394 25,697 77,092 38,546 19,273 57,820 28,910 14,455 43,366 21,683 65,050 32,525 97,576 48,788 24,394

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