7 × 11 × 89 × 1999

Prime Factor Structure

Factorization String 7 × 11 × 89 × 1999

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 17,280,000

Proper Divisor Sum 3,580,853

Digit Sum / Digital Root 40 (Root: 4)

Adjacent Primes #13699129 ← → #13699159

1 7 11 77 89 623 979 1,999 6,853 13,993 21,989 153,923 177,911 1,245,377 1,957,021 13,699,147

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

13,699,147 41,097,442 20,548,721 61,646,164 30,823,082 15,411,541 46,234,624 23,117,312 11,558,656 5,779,328 2,889,664 1,444,832 722,416 361,208 180,604 90,302 45,151 135,454 67,727 203,182 101,591 304,774 152,387 457,162 228,581 685,744 342,872 171,436 85,718 42,859 128,578 64,289 192,868 96,434 48,217 144,652 72,326 36,163 108,490 54,245 162,736 81,368 40,684 20,342 10,171 30,514 15,257 45,772 22,886 11,443 34,330 17,165 51,496 25,748 12,874 6,437 19,312 9,656 4,828 2,414

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