2 × 3² × 149 × 239

Prime Factor Structure

Factorization String 2 × 3^2 × 149 × 239

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 1,404,000

Proper Divisor Sum 763,002

Digit Sum / Digital Root 36 (Root: 9)

Adjacent Primes #640993 ← → #641051

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

640,998 320,499 961,498 480,749 1,442,248 721,124 360,562 180,281 540,844 270,422 135,211 405,634 202,817 608,452 304,226 152,113 456,340 228,170 114,085 342,256 171,128 85,564 42,782 21,391 64,174 32,087 96,262 48,131 144,394 72,197 216,592 108,296 54,148 27,074 13,537 40,612 20,306 10,153 30,460 15,230 7,615 22,846 11,423 34,270 17,135 51,406 25,703 77,110 38,555 115,666 57,833 173,500 86,750 43,375 130,126 65,063 195,190 97,595 292,786 146,393

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