5 × 7² × 81647

Prime Factor Structure

Factorization String 5 × 7^2 × 81647

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 27,923,616

Proper Divisor Sum 7,920,101

Digit Sum / Digital Root 16 (Root: 7)

Adjacent Primes #20003513 ← → #20003521

1 5 7 35 49 245 81,647 408,235 571,529 2,857,645 4,000,703 20,003,515

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

20,003,515 60,010,546 30,005,273 90,015,820 45,007,910 22,503,955 67,511,866 33,755,933 101,267,800 50,633,900 25,316,950 12,658,475 37,975,426 18,987,713 56,963,140 28,481,570 14,240,785 42,722,356 21,361,178 10,680,589 32,041,768 16,020,884 8,010,442 4,005,221 12,015,664 6,007,832 3,003,916 1,501,958 750,979 2,252,938 1,126,469 3,379,408 1,689,704 844,852 422,426 211,213 633,640 316,820 158,410 79,205 237,616 118,808 59,404 29,702 14,851 44,554 22,277 66,832 33,416 16,708 8,354 4,177 12,532 6,266 3,133 9,400 4,700 2,350 1,175 3,526

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