3 × 7 × 11 × 19 × 157

Prime Factor Structure

Factorization String 3 × 7 × 11 × 19 × 157

Distinct Prime Factors 5

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 32

Divisor Sum (σ) 1,213,440

Proper Divisor Sum 524,367

Digit Sum / Digital Root 33 (Root: 6)

Adjacent Primes #689071 ← → #689077

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

689,073 2,067,220 1,033,610 516,805 1,550,416 775,208 387,604 193,802 96,901 290,704 145,352 72,676 36,338 18,169 54,508 27,254 13,627 40,882 20,441 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.