5 × 17 × 19 × 13187

Prime Factor Structure

Factorization String 5 × 17 × 19 × 13187

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 28,486,080

Proper Divisor Sum 7,189,075

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #21296993 ← → #21297013

1 5 17 19 85 95 323 1,615 13,187 65,935 224,179 250,553 1,120,895 1,252,765 4,259,401 21,297,005

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

21,297,005 63,891,016 31,945,508 15,972,754 7,986,377 23,959,132 11,979,566 5,989,783 17,969,350 8,984,675 26,954,026 13,477,013 40,431,040 20,215,520 10,107,760 5,053,880 2,526,940 1,263,470 631,735 1,895,206 947,603 2,842,810 1,421,405 4,264,216 2,132,108 1,066,054 533,027 1,599,082 799,541 2,398,624 1,199,312 599,656 299,828 149,914 74,957 224,872 112,436 56,218 28,109 84,328 42,164 21,082 10,541 31,624 15,812 7,906 3,953 11,860 5,930 2,965 8,896 4,448 2,224 1,112 556 278 139 418 209 628

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