991 × 4003

Prime Factor Structure

Factorization String 991 × 4003

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 3,971,968

Proper Divisor Sum 4,995

Digit Sum / Digital Root 43 (Root: 7)

Adjacent Primes #3966961 ← → #3967027

1 991 4,003 3,966,973

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

3,966,973 11,900,920 5,950,460 2,975,230 1,487,615 4,462,846 2,231,423 6,694,270 3,347,135 10,041,406 5,020,703 15,062,110 7,531,055 22,593,166 11,296,583 33,889,750 16,944,875 50,834,626 25,417,313 76,251,940 38,125,970 19,062,985 57,188,956 28,594,478 14,297,239 42,891,718 21,445,859 64,337,578 32,168,789 96,506,368 48,253,184 24,126,592 12,063,296 6,031,648 3,015,824 1,507,912 753,956 376,978 188,489 565,468 282,734 141,367 424,102 212,051 636,154 318,077 954,232 477,116 238,558 119,279 357,838 178,919 536,758 268,379 805,138 402,569 1,207,708 603,854 301,927 905,782

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