3² × 7² × 19

Prime Factor Structure

Factorization String 3^2 × 7^2 × 19

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 18

Divisor Sum (σ) 14,820

Proper Divisor Sum 6,441

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #8377 ← → #8387

1 3 7 9 19 21 49 57 63 133 147 171 399 441 931 1,197 2,793 8,379

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

8,379 25,138 12,569 37,708 18,854 9,427 28,282 14,141 42,424 21,212 10,606 5,303 15,910 7,955 23,866 11,933 35,800 17,900 8,950 4,475 13,426 6,713 20,140 10,070 5,035 15,106 7,553 22,660 11,330 5,665 16,996 8,498 4,249 12,748 6,374 3,187 9,562 4,781 14,344 7,172 3,586 1,793 5,380 2,690 1,345 4,036 2,018 1,009 3,028 1,514 757 2,272 1,136 568 284 142 71 214 107 322

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