2² × 17 × 43 × 281

Prime Factor Structure

Factorization String 2^2 × 17 × 43 × 281

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 1,563,408

Proper Divisor Sum 741,764

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #821641 ← → #821647

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

821,644 410,822 205,411 616,234 308,117 924,352 462,176 231,088 115,544 57,772 28,886 14,443 43,330 21,665 64,996 32,498 16,249 48,748 24,374 12,187 36,562 18,281 54,844 27,422 13,711 41,134 20,567 61,702 30,851 92,554 46,277 138,832 69,416 34,708 17,354 8,677 26,032 13,016 6,508 3,254 1,627 4,882 2,441 7,324 3,662 1,831 5,494 2,747 8,242 4,121 12,364 6,182 3,091 9,274 4,637 13,912 6,956 3,478 1,739 5,218

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