7 × 43 × 67129

Prime Factor Structure

Factorization String 7 × 43 × 67129

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 23,629,760

Proper Divisor Sum 3,423,931

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #20205821 ← → #20205847

1 7 43 301 67,129 469,903 2,886,547 20,205,829

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

20,205,829 60,617,488 30,308,744 15,154,372 7,577,186 3,788,593 11,365,780 5,682,890 2,841,445 8,524,336 4,262,168 2,131,084 1,065,542 532,771 1,598,314 799,157 2,397,472 1,198,736 599,368 299,684 149,842 74,921 224,764 112,382 56,191 168,574 84,287 252,862 126,431 379,294 189,647 568,942 284,471 853,414 426,707 1,280,122 640,061 1,920,184 960,092 480,046 240,023 720,070 360,035 1,080,106 540,053 1,620,160 810,080 405,040 202,520 101,260 50,630 25,315 75,946 37,973 113,920 56,960 28,480 14,240 7,120 3,560

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