2 × 3² × 43 × 827

Prime Factor Structure

Factorization String 2 × 3^2 × 43 × 827

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 1,420,848

Proper Divisor Sum 780,750

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #640069 ← → #640099

1 2 3 6 9 18 43 86 129 258 387 774 827 1,654 2,481 4,962 7,443 14,886 35,561 71,122 106,683 213,366 320,049 640,098

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

640,098 320,049 960,148 480,074 240,037 720,112 360,056 180,028 90,014 45,007 135,022 67,511 202,534 101,267 303,802 151,901 455,704 227,852 113,926 56,963 170,890 85,445 256,336 128,168 64,084 32,042 16,021 48,064 24,032 12,016 6,008 3,004 1,502 751 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.