3 × 7 × 11 × 163 × 557

Prime Factor Structure

Factorization String 3 × 7 × 11 × 163 × 557

Distinct Prime Factors 5

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 32

Divisor Sum (σ) 35,140,608

Proper Divisor Sum 14,167,887

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #20972663 ← → #20972729

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

20,972,721 62,918,164 31,459,082 15,729,541 47,188,624 23,594,312 11,797,156 5,898,578 2,949,289 8,847,868 4,423,934 2,211,967 6,635,902 3,317,951 9,953,854 4,976,927 14,930,782 7,465,391 22,396,174 11,198,087 33,594,262 16,797,131 50,391,394 25,195,697 75,587,092 37,793,546 18,896,773 56,690,320 28,345,160 14,172,580 7,086,290 3,543,145 10,629,436 5,314,718 2,657,359 7,972,078 3,986,039 11,958,118 5,979,059 17,937,178 8,968,589 26,905,768 13,452,884 6,726,442 3,363,221 10,089,664 5,044,832 2,522,416 1,261,208 630,604 315,302 157,651 472,954 236,477 709,432 354,716 177,358 88,679 266,038 133,019

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