3 × 7 × 13 × 653

Prime Factor Structure

Factorization String 3 × 7 × 13 × 653

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 292,992

Proper Divisor Sum 114,723

Digit Sum / Digital Root 33 (Root: 6)

Adjacent Primes #178261 ← → #178289

1 3 7 13 21 39 91 273 653 1,959 4,571 8,489 13,713 25,467 59,423 178,269

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

178,269 534,808 267,404 133,702 66,851 200,554 100,277 300,832 150,416 75,208 37,604 18,802 9,401 28,204 14,102 7,051 21,154 10,577 31,732 15,866 7,933 23,800 11,900 5,950 2,975 8,926 4,463 13,390 6,695 20,086 10,043 30,130 15,065 45,196 22,598 11,299 33,898 16,949 50,848 25,424 12,712 6,356 3,178 1,589 4,768 2,384 1,192 596 298 149 448 224 112 56 28 14 7 22 11 34

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