2 × 13 × 647 × 1109

Prime Factor Structure

Factorization String 2 × 13 × 647 × 1109

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 30,209,760

Proper Divisor Sum 11,554,162

Digit Sum / Digital Root 47 (Root: 2)

Adjacent Primes #18655589 ← → #18655619

1 2 13 26 647 1,109 1,294 2,218 8,411 14,417 16,822 28,834 717,523 1,435,046 9,327,799 18,655,598

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

18,655,598 9,327,799 27,983,398 13,991,699 41,975,098 20,987,549 62,962,648 31,481,324 15,740,662 7,870,331 23,610,994 11,805,497 35,416,492 17,708,246 8,854,123 26,562,370 13,281,185 39,843,556 19,921,778 9,960,889 29,882,668 14,941,334 7,470,667 22,412,002 11,206,001 33,618,004 16,809,002 8,404,501 25,213,504 12,606,752 6,303,376 3,151,688 1,575,844 787,922 393,961 1,181,884 590,942 295,471 886,414 443,207 1,329,622 664,811 1,994,434 997,217 2,991,652 1,495,826 747,913 2,243,740 1,121,870 560,935 1,682,806 841,403 2,524,210 1,262,105 3,786,316 1,893,158 946,579 2,839,738 1,419,869 4,259,608

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