3² × 7² × 20393

Prime Factor Structure

Factorization String 3^2 × 7^2 × 20393

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 18

Divisor Sum (σ) 15,111,954

Proper Divisor Sum 6,118,641

Digit Sum / Digital Root 36 (Root: 9)

Adjacent Primes #8993297 ← → #8993329

1 3 7 9 21 49 63 147 441 20,393 61,179 142,751 183,537 428,253 999,257 1,284,759 2,997,771 8,993,313

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

8,993,313 26,979,940 13,489,970 6,744,985 20,234,956 10,117,478 5,058,739 15,176,218 7,588,109 22,764,328 11,382,164 5,691,082 2,845,541 8,536,624 4,268,312 2,134,156 1,067,078 533,539 1,600,618 800,309 2,400,928 1,200,464 600,232 300,116 150,058 75,029 225,088 112,544 56,272 28,136 14,068 7,034 3,517 10,552 5,276 2,638 1,319 3,958 1,979 5,938 2,969 8,908 4,454 2,227 6,682 3,341 10,024 5,012 2,506 1,253 3,760 1,880 940 470 235 706 353 1,060 530 265

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