3 × 5 × 7 × 171169

Prime Factor Structure

Factorization String 3 × 5 × 7 × 171169

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 32,864,640

Proper Divisor Sum 14,891,895

Digit Sum / Digital Root 42 (Root: 6)

Adjacent Primes #17972743 ← → #17972761

1 3 5 7 15 21 35 105 171,169 513,507 855,845 1,198,183 2,567,535 3,594,549 5,990,915 17,972,745

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

17,972,745 53,918,236 26,959,118 13,479,559 40,438,678 20,219,339 60,658,018 30,329,009 90,987,028 45,493,514 22,746,757 68,240,272 34,120,136 17,060,068 8,530,034 4,265,017 12,795,052 6,397,526 3,198,763 9,596,290 4,798,145 14,394,436 7,197,218 3,598,609 10,795,828 5,397,914 2,698,957 8,096,872 4,048,436 2,024,218 1,012,109 3,036,328 1,518,164 759,082 379,541 1,138,624 569,312 284,656 142,328 71,164 35,582 17,791 53,374 26,687 80,062 40,031 120,094 60,047 180,142 90,071 270,214 135,107 405,322 202,661 607,984 303,992 151,996 75,998 37,999 113,998

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