7 × 13 × 17 × 1987

Prime Factor Structure

Factorization String 7 × 13 × 17 × 1987

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 4,007,808

Proper Divisor Sum 933,919

Digit Sum / Digital Root 38 (Root: 2)

Adjacent Primes #3073883 ← → #3073891

1 7 13 17 91 119 221 1,547 1,987 13,909 25,831 33,779 180,817 236,453 439,127 3,073,889

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

3,073,889 9,221,668 4,610,834 2,305,417 6,916,252 3,458,126 1,729,063 5,187,190 2,593,595 7,780,786 3,890,393 11,671,180 5,835,590 2,917,795 8,753,386 4,376,693 13,130,080 6,565,040 3,282,520 1,641,260 820,630 410,315 1,230,946 615,473 1,846,420 923,210 461,605 1,384,816 692,408 346,204 173,102 86,551 259,654 129,827 389,482 194,741 584,224 292,112 146,056 73,028 36,514 18,257 54,772 27,386 13,693 41,080 20,540 10,270 5,135 15,406 7,703 23,110 11,555 34,666 17,333 52,000 26,000 13,000 6,500 3,250

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