3 × 11 × 659

Prime Factor Structure

Factorization String 3 × 11 × 659

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 31,680

Proper Divisor Sum 9,933

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #21739 ← → #21751

1 3 11 33 659 1,977 7,249 21,747

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

21,747 65,242 32,621 97,864 48,932 24,466 12,233 36,700 18,350 9,175 27,526 13,763 41,290 20,645 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

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