2 × 5² × 7 × 1831

Prime Factor Structure

Factorization String 2 × 5^2 × 7 × 1831

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 1,363,008

Proper Divisor Sum 722,158

Digit Sum / Digital Root 23 (Root: 5)

Adjacent Primes #640847 ← → #640853

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

640,850 320,425 961,276 480,638 240,319 720,958 360,479 1,081,438 540,719 1,622,158 811,079 2,433,238 1,216,619 3,649,858 1,824,929 5,474,788 2,737,394 1,368,697 4,106,092 2,053,046 1,026,523 3,079,570 1,539,785 4,619,356 2,309,678 1,154,839 3,464,518 1,732,259 5,196,778 2,598,389 7,795,168 3,897,584 1,948,792 974,396 487,198 243,599 730,798 365,399 1,096,198 548,099 1,644,298 822,149 2,466,448 1,233,224 616,612 308,306 154,153 462,460 231,230 115,615 346,846 173,423 520,270 260,135 780,406 390,203 1,170,610 585,305 1,755,916 877,958

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