3 × 11² × 41 × 43

Prime Factor Structure

Factorization String 3 × 11^2 × 41 × 43

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 983,136

Proper Divisor Sum 343,167

Digit Sum / Digital Root 42 (Root: 6)

Adjacent Primes #639959 ← → #639983

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

639,969 1,919,908 959,954 479,977 1,439,932 719,966 359,983 1,079,950 539,975 1,619,926 809,963 2,429,890 1,214,945 3,644,836 1,822,418 911,209 2,733,628 1,366,814 683,407 2,050,222 1,025,111 3,075,334 1,537,667 4,613,002 2,306,501 6,919,504 3,459,752 1,729,876 864,938 432,469 1,297,408 648,704 324,352 162,176 81,088 40,544 20,272 10,136 5,068 2,534 1,267 3,802 1,901 5,704 2,852 1,426 713 2,140 1,070 535 1,606 803 2,410 1,205 3,616 1,808 904 452 226 113

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