2 × 3² × 31 × 1153

Prime Factor Structure

Factorization String 2 × 3^2 × 31 × 1153

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 1,440,192

Proper Divisor Sum 796,818

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #643373 ← → #643403

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

643,374 321,687 965,062 482,531 1,447,594 723,797 2,171,392 1,085,696 542,848 271,424 135,712 67,856 33,928 16,964 8,482 4,241 12,724 6,362 3,181 9,544 4,772 2,386 1,193 3,580 1,790 895 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.