3 × 7 × 943903

Prime Factor Structure

Factorization String 3 × 7 × 943903

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 30,204,928

Proper Divisor Sum 10,382,965

Digit Sum / Digital Root 39 (Root: 3)

Adjacent Primes #19821961 ← → #19821979

1 3 7 21 943,903 2,831,709 6,607,321 19,821,963

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

19,821,963 59,465,890 29,732,945 89,198,836 44,599,418 22,299,709 66,899,128 33,449,564 16,724,782 8,362,391 25,087,174 12,543,587 37,630,762 18,815,381 56,446,144 28,223,072 14,111,536 7,055,768 3,527,884 1,763,942 881,971 2,645,914 1,322,957 3,968,872 1,984,436 992,218 496,109 1,488,328 744,164 372,082 186,041 558,124 279,062 139,531 418,594 209,297 627,892 313,946 156,973 470,920 235,460 117,730 58,865 176,596 88,298 44,149 132,448 66,224 33,112 16,556 8,278 4,139 12,418 6,209 18,628 9,314 4,657 13,972 6,986 3,493

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