13 × 19 × 61 × 71

Prime Factor Structure

Factorization String 13 × 19 × 61 × 71

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,249,920

Proper Divisor Sum 180,163

Digit Sum / Digital Root 35 (Root: 8)

Adjacent Primes #1069751 ← → #1069777

1 13 19 61 71 247 793 923 1,159 1,349 4,331 15,067 17,537 56,303 82,289 1,069,757

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

1,069,757 3,209,272 1,604,636 802,318 401,159 1,203,478 601,739 1,805,218 902,609 2,707,828 1,353,914 676,957 2,030,872 1,015,436 507,718 253,859 761,578 380,789 1,142,368 571,184 285,592 142,796 71,398 35,699 107,098 53,549 160,648 80,324 40,162 20,081 60,244 30,122 15,061 45,184 22,592 11,296 5,648 2,824 1,412 706 353 1,060 530 265 796 398 199 598 299 898 449 1,348 674 337 1,012 506 253 760 380 190

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