3 × 5 × 7 × 6563

Prime Factor Structure

Factorization String 3 × 5 × 7 × 6563

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,260,288

Proper Divisor Sum 571,173

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #689113 ← → #689131

1 3 5 7 15 21 35 105 6,563 19,689 32,815 45,941 98,445 137,823 229,705 689,115

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

689,115 2,067,346 1,033,673 3,101,020 1,550,510 775,255 2,325,766 1,162,883 3,488,650 1,744,325 5,232,976 2,616,488 1,308,244 654,122 327,061 981,184 490,592 245,296 122,648 61,324 30,662 15,331 45,994 22,997 68,992 34,496 17,248 8,624 4,312 2,156 1,078 539 1,618 809 2,428 1,214 607 1,822 911 2,734 1,367 4,102 2,051 6,154 3,077 9,232 4,616 2,308 1,154 577 1,732 866 433 1,300 650 325 976 488 244 122

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