2 × 7 × 223 × 263

Prime Factor Structure

Factorization String 2 × 7 × 223 × 263

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,419,264

Proper Divisor Sum 598,178

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #821081 ← → #821089

1 2 7 14 223 263 446 526 1,561 1,841 3,122 3,682 58,649 117,298 410,543 821,086

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

821,086 410,543 1,231,630 615,815 1,847,446 923,723 2,771,170 1,385,585 4,156,756 2,078,378 1,039,189 3,117,568 1,558,784 779,392 389,696 194,848 97,424 48,712 24,356 12,178 6,089 18,268 9,134 4,567 13,702 6,851 20,554 10,277 30,832 15,416 7,708 3,854 1,927 5,782 2,891 8,674 4,337 13,012 6,506 3,253 9,760 4,880 2,440 1,220 610 305 916 458 229 688 344 172 86 43 130 65 196 98 49 148

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