2 × 3 × 106721

Prime Factor Structure

Factorization String 2 × 3 × 106721

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 1,280,664

Proper Divisor Sum 640,338

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #640307 ← → #640333

1 2 3 6 106,721 213,442 320,163 640,326

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

640,326 320,163 960,490 480,245 1,440,736 720,368 360,184 180,092 90,046 45,023 135,070 67,535 202,606 101,303 303,910 151,955 455,866 227,933 683,800 341,900 170,950 85,475 256,426 128,213 384,640 192,320 96,160 48,080 24,040 12,020 6,010 3,005 9,016 4,508 2,254 1,127 3,382 1,691 5,074 2,537 7,612 3,806 1,903 5,710 2,855 8,566 4,283 12,850 6,425 19,276 9,638 4,819 14,458 7,229 21,688 10,844 5,422 2,711 8,134 4,067

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