2 × 397 × 809

Prime Factor Structure

Factorization String 2 × 397 × 809

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 967,140

Proper Divisor Sum 324,794

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #642281 ← → #642359

1 2 397 794 809 1,618 321,173 642,346

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

642,346 321,173 963,520 481,760 240,880 120,440 60,220 30,110 15,055 45,166 22,583 67,750 33,875 101,626 50,813 152,440 76,220 38,110 19,055 57,166 28,583 85,750 42,875 128,626 64,313 192,940 96,470 48,235 144,706 72,353 217,060 108,530 54,265 162,796 81,398 40,699 122,098 61,049 183,148 91,574 45,787 137,362 68,681 206,044 103,022 51,511 154,534 77,267 231,802 115,901 347,704 173,852 86,926 43,463 130,390 65,195 195,586 97,793 293,380 146,690

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