3 × 7 × 11 × 1697

Prime Factor Structure

Factorization String 3 × 7 × 11 × 1697

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 652,032

Proper Divisor Sum 260,025

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #391999 ← → #392011

1 3 7 11 21 33 77 231 1,697 5,091 11,879 18,667 35,637 56,001 130,669 392,007

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

392,007 1,176,022 588,011 1,764,034 882,017 2,646,052 1,323,026 661,513 1,984,540 992,270 496,135 1,488,406 744,203 2,232,610 1,116,305 3,348,916 1,674,458 837,229 2,511,688 1,255,844 627,922 313,961 941,884 470,942 235,471 706,414 353,207 1,059,622 529,811 1,589,434 794,717 2,384,152 1,192,076 596,038 298,019 894,058 447,029 1,341,088 670,544 335,272 167,636 83,818 41,909 125,728 62,864 31,432 15,716 7,858 3,929 11,788 5,894 2,947 8,842 4,421 13,264 6,632 3,316 1,658 829 2,488

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