5 × 13² × 1999

Prime Factor Structure

Factorization String 5 × 13^2 × 1999

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 2,196,000

Proper Divisor Sum 506,845

Digit Sum / Digital Root 35 (Root: 8)

Adjacent Primes #1689113 ← → #1689167

1 5 13 65 169 845 1,999 9,995 25,987 129,935 337,831 1,689,155

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

1,689,155 5,067,466 2,533,733 7,601,200 3,800,600 1,900,300 950,150 475,075 1,425,226 712,613 2,137,840 1,068,920 534,460 267,230 133,615 400,846 200,423 601,270 300,635 901,906 450,953 1,352,860 676,430 338,215 1,014,646 507,323 1,521,970 760,985 2,282,956 1,141,478 570,739 1,712,218 856,109 2,568,328 1,284,164 642,082 321,041 963,124 481,562 240,781 722,344 361,172 180,586 90,293 270,880 135,440 67,720 33,860 16,930 8,465 25,396 12,698 6,349 19,048 9,524 4,762 2,381 7,144 3,572 1,786

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