2 × 5² × 73 × 181

Prime Factor Structure

Factorization String 2 × 5^2 × 73 × 181

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 1,252,524

Proper Divisor Sum 591,874

Digit Sum / Digital Root 23 (Root: 5)

Adjacent Primes #660643 ← → #660659

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

660,650 330,325 990,976 495,488 247,744 123,872 61,936 30,968 15,484 7,742 3,871 11,614 5,807 17,422 8,711 26,134 13,067 39,202 19,601 58,804 29,402 14,701 44,104 22,052 11,026 5,513 16,540 8,270 4,135 12,406 6,203 18,610 9,305 27,916 13,958 6,979 20,938 10,469 31,408 15,704 7,852 3,926 1,963 5,890 2,945 8,836 4,418 2,209 6,628 3,314 1,657 4,972 2,486 1,243 3,730 1,865 5,596 2,798 1,399 4,198

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