3 × 7 × 19 × 1109

Prime Factor Structure

Factorization String 3 × 7 × 19 × 1109

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 710,400

Proper Divisor Sum 267,909

Digit Sum / Digital Root 24 (Root: 6)

Adjacent Primes #442489 ← → #442499

1 3 7 19 21 57 133 399 1,109 3,327 7,763 21,071 23,289 63,213 147,497 442,491

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

442,491 1,327,474 663,737 1,991,212 995,606 497,803 1,493,410 746,705 2,240,116 1,120,058 560,029 1,680,088 840,044 420,022 210,011 630,034 315,017 945,052 472,526 236,263 708,790 354,395 1,063,186 531,593 1,594,780 797,390 398,695 1,196,086 598,043 1,794,130 897,065 2,691,196 1,345,598 672,799 2,018,398 1,009,199 3,027,598 1,513,799 4,541,398 2,270,699 6,812,098 3,406,049 10,218,148 5,109,074 2,554,537 7,663,612 3,831,806 1,915,903 5,747,710 2,873,855 8,621,566 4,310,783 12,932,350 6,466,175 19,398,526 9,699,263 29,097,790 14,548,895 43,646,686 21,823,343

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