13 × 43 × 6991

Prime Factor Structure

Factorization String 13 × 43 × 6991

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 4,307,072

Proper Divisor Sum 399,103

Digit Sum / Digital Root 43 (Root: 7)

Adjacent Primes #3907963 ← → #3907979

1 13 43 559 6,991 90,883 300,613 3,907,969

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

3,907,969 11,723,908 5,861,954 2,930,977 8,792,932 4,396,466 2,198,233 6,594,700 3,297,350 1,648,675 4,946,026 2,473,013 7,419,040 3,709,520 1,854,760 927,380 463,690 231,845 695,536 347,768 173,884 86,942 43,471 130,414 65,207 195,622 97,811 293,434 146,717 440,152 220,076 110,038 55,019 165,058 82,529 247,588 123,794 61,897 185,692 92,846 46,423 139,270 69,635 208,906 104,453 313,360 156,680 78,340 39,170 19,585 58,756 29,378 14,689 44,068 22,034 11,017 33,052 16,526 8,263 24,790

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