7 × 19 × 43 × 1213

Prime Factor Structure

Factorization String 7 × 19 × 43 × 1213

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 8,546,560

Proper Divisor Sum 1,609,413

Digit Sum / Digital Root 37 (Root: 1)

Adjacent Primes #6937123 ← → #6937157

1 7 19 43 133 301 817 1,213 5,719 8,491 23,047 52,159 161,329 365,113 991,021 6,937,147

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

6,937,147 20,811,442 10,405,721 31,217,164 15,608,582 7,804,291 23,412,874 11,706,437 35,119,312 17,559,656 8,779,828 4,389,914 2,194,957 6,584,872 3,292,436 1,646,218 823,109 2,469,328 1,234,664 617,332 308,666 154,333 463,000 231,500 115,750 57,875 173,626 86,813 260,440 130,220 65,110 32,555 97,666 48,833 146,500 73,250 36,625 109,876 54,938 27,469 82,408 41,204 20,602 10,301 30,904 15,452 7,726 3,863 11,590 5,795 17,386 8,693 26,080 13,040 6,520 3,260 1,630 815 2,446 1,223

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