3 × 7 × 13 × 18919

Prime Factor Structure

Factorization String 3 × 7 × 13 × 18919

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 8,476,160

Proper Divisor Sum 3,311,273

Digit Sum / Digital Root 39 (Root: 3)

Adjacent Primes #5164853 ← → #5164897

1 3 7 13 21 39 91 273 18,919 56,757 132,433 245,947 397,299 737,841 1,721,629 5,164,887

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

5,164,887 15,494,662 7,747,331 23,241,994 11,620,997 34,862,992 17,431,496 8,715,748 4,357,874 2,178,937 6,536,812 3,268,406 1,634,203 4,902,610 2,451,305 7,353,916 3,676,958 1,838,479 5,515,438 2,757,719 8,273,158 4,136,579 12,409,738 6,204,869 18,614,608 9,307,304 4,653,652 2,326,826 1,163,413 3,490,240 1,745,120 872,560 436,280 218,140 109,070 54,535 163,606 81,803 245,410 122,705 368,116 184,058 92,029 276,088 138,044 69,022 34,511 103,534 51,767 155,302 77,651 232,954 116,477 349,432 174,716 87,358 43,679 131,038 65,519 196,558

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