2³ × 3² × 7 × 1277

Prime Factor Structure

Factorization String 2^3 × 3^2 × 7 × 1277

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 48

Divisor Sum (σ) 1,993,680

Proper Divisor Sum 1,350,072

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #643589 ← → #643619

1 2 3 4 6 7 8 9 12 14 18 21 24 28 36 42 56 63 72 84 126 168 252 504 1,277 2,554 3,831 5,108 7,662 8,939 10,216 11,493 15,324 17,878 22,986 26,817 30,648 35,756 45,972 53,634 71,512 80,451 91,944 107,268 160,902 214,536 321,804 643,608

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

643,608 321,804 160,902 80,451 241,354 120,677 362,032 181,016 90,508 45,254 22,627 67,882 33,941 101,824 50,912 25,456 12,728 6,364 3,182 1,591 4,774 2,387 7,162 3,581 10,744 5,372 2,686 1,343 4,030 2,015 6,046 3,023 9,070 4,535 13,606 6,803 20,410 10,205 30,616 15,308 7,654 3,827 11,482 5,741 17,224 8,612 4,306 2,153 6,460 3,230 1,615 4,846 2,423 7,270 3,635 10,906 5,453 16,360 8,180 4,090

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