2² × 5 × 7 × 4561

Prime Factor Structure

Factorization String 2^2 × 5 × 7 × 4561

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 1,532,832

Proper Divisor Sum 894,292

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #638527 ← → #638567

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

638,540 319,270 159,635 478,906 239,453 718,360 359,180 179,590 89,795 269,386 134,693 404,080 202,040 101,020 50,510 25,255 75,766 37,883 113,650 56,825 170,476 85,238 42,619 127,858 63,929 191,788 95,894 47,947 143,842 71,921 215,764 107,882 53,941 161,824 80,912 40,456 20,228 10,114 5,057 15,172 7,586 3,793 11,380 5,690 2,845 8,536 4,268 2,134 1,067 3,202 1,601 4,804 2,402 1,201 3,604 1,802 901 2,704 1,352 676

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