2 × 3 × 7 × 16421

Prime Factor Structure

Factorization String 2 × 3 × 7 × 16421

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,576,512

Proper Divisor Sum 886,830

Digit Sum / Digital Root 39 (Root: 3)

Adjacent Primes #689641 ← → #689693

1 2 3 6 7 14 21 42 16,421 32,842 49,263 98,526 114,947 229,894 344,841 689,682

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

689,682 344,841 1,034,524 517,262 258,631 775,894 387,947 1,163,842 581,921 1,745,764 872,882 436,441 1,309,324 654,662 327,331 981,994 490,997 1,472,992 736,496 368,248 184,124 92,062 46,031 138,094 69,047 207,142 103,571 310,714 155,357 466,072 233,036 116,518 58,259 174,778 87,389 262,168 131,084 65,542 32,771 98,314 49,157 147,472 73,736 36,868 18,434 9,217 27,652 13,826 6,913 20,740 10,370 5,185 15,556 7,778 3,889 11,668 5,834 2,917 8,752 4,376

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