13 × 1531

Prime Factor Structure

Factorization String 13 × 1531

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 21,448

Proper Divisor Sum 1,545

Digit Sum / Digital Root 22 (Root: 4)

Adjacent Primes #19891 ← → #19913

1 13 1,531 19,903

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

19,903 59,710 29,855 89,566 44,783 134,350 67,175 201,526 100,763 302,290 151,145 453,436 226,718 113,359 340,078 170,039 510,118 255,059 765,178 382,589 1,147,768 573,884 286,942 143,471 430,414 215,207 645,622 322,811 968,434 484,217 1,452,652 726,326 363,163 1,089,490 544,745 1,634,236 817,118 408,559 1,225,678 612,839 1,838,518 919,259 2,757,778 1,378,889 4,136,668 2,068,334 1,034,167 3,102,502 1,551,251 4,653,754 2,326,877 6,980,632 3,490,316 1,745,158 872,579 2,617,738 1,308,869 3,926,608 1,963,304 981,652

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