2³ × 80407

Prime Factor Structure

Factorization String 2^3 × 80407

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 1,206,120

Proper Divisor Sum 562,864

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #643243 ← → #643273

1 2 4 8 80,407 160,814 321,628 643,256

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

643,256 321,628 160,814 80,407 241,222 120,611 361,834 180,917 542,752 271,376 135,688 67,844 33,922 16,961 50,884 25,442 12,721 38,164 19,082 9,541 28,624 14,312 7,156 3,578 1,789 5,368 2,684 1,342 671 2,014 1,007 3,022 1,511 4,534 2,267 6,802 3,401 10,204 5,102 2,551 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.