5 × 17 × 139 × 1811

Prime Factor Structure

Factorization String 5 × 17 × 139 × 1811

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 27,397,440

Proper Divisor Sum 6,000,475

Digit Sum / Digital Root 41 (Root: 5)

Adjacent Primes #21396941 ← → #21396967

1 5 17 85 139 695 1,811 2,363 9,055 11,815 30,787 153,935 251,729 1,258,645 4,279,393 21,396,965

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

21,396,965 64,190,896 32,095,448 16,047,724 8,023,862 4,011,931 12,035,794 6,017,897 18,053,692 9,026,846 4,513,423 13,540,270 6,770,135 20,310,406 10,155,203 30,465,610 15,232,805 45,698,416 22,849,208 11,424,604 5,712,302 2,856,151 8,568,454 4,284,227 12,852,682 6,426,341 19,279,024 9,639,512 4,819,756 2,409,878 1,204,939 3,614,818 1,807,409 5,422,228 2,711,114 1,355,557 4,066,672 2,033,336 1,016,668 508,334 254,167 762,502 381,251 1,143,754 571,877 1,715,632 857,816 428,908 214,454 107,227 321,682 160,841 482,524 241,262 120,631 361,894 180,947 542,842 271,421 814,264

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