3 × 7² × 13 × 113

Prime Factor Structure

Factorization String 3 × 7^2 × 13 × 113

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 363,888

Proper Divisor Sum 147,945

Digit Sum / Digital Root 24 (Root: 6)

Adjacent Primes #215939 ← → #215953

1 3 7 13 21 39 49 91 113 147 273 339 637 791 1,469 1,911 2,373 4,407 5,537 10,283 16,611 30,849 71,981 215,943

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

215,943 647,830 323,915 971,746 485,873 1,457,620 728,810 364,405 1,093,216 546,608 273,304 136,652 68,326 34,163 102,490 51,245 153,736 76,868 38,434 19,217 57,652 28,826 14,413 43,240 21,620 10,810 5,405 16,216 8,108 4,054 2,027 6,082 3,041 9,124 4,562 2,281 6,844 3,422 1,711 5,134 2,567 7,702 3,851 11,554 5,777 17,332 8,666 4,333 13,000 6,500 3,250 1,625 4,876 2,438 1,219 3,658 1,829 5,488 2,744 1,372

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