13 × 691 × 991

Prime Factor Structure

Factorization String 13 × 691 × 991

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 9,610,496

Proper Divisor Sum 708,343

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #8902151 ← → #8902183

1 13 691 991 8,983 12,883 684,781 8,902,153

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

8,902,153 26,706,460 13,353,230 6,676,615 20,029,846 10,014,923 30,044,770 15,022,385 45,067,156 22,533,578 11,266,789 33,800,368 16,900,184 8,450,092 4,225,046 2,112,523 6,337,570 3,168,785 9,506,356 4,753,178 2,376,589 7,129,768 3,564,884 1,782,442 891,221 2,673,664 1,336,832 668,416 334,208 167,104 83,552 41,776 20,888 10,444 5,222 2,611 7,834 3,917 11,752 5,876 2,938 1,469 4,408 2,204 1,102 551 1,654 827 2,482 1,241 3,724 1,862 931 2,794 1,397 4,192 2,096 1,048 524 262

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