3² × 7 × 43 × 67

Prime Factor Structure

Factorization String 3^2 × 7 × 43 × 67

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 311,168

Proper Divisor Sum 129,665

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #181501 ← → #181513

1 3 7 9 21 43 63 67 129 201 301 387 469 603 903 1,407 2,709 2,881 4,221 8,643 20,167 25,929 60,501 181,503

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

181,503 544,510 272,255 816,766 408,383 1,225,150 612,575 1,837,726 918,863 2,756,590 1,378,295 4,134,886 2,067,443 6,202,330 3,101,165 9,303,496 4,651,748 2,325,874 1,162,937 3,488,812 1,744,406 872,203 2,616,610 1,308,305 3,924,916 1,962,458 981,229 2,943,688 1,471,844 735,922 367,961 1,103,884 551,942 275,971 827,914 413,957 1,241,872 620,936 310,468 155,234 77,617 232,852 116,426 58,213 174,640 87,320 43,660 21,830 10,915 32,746 16,373 49,120 24,560 12,280 6,140 3,070 1,535 4,606 2,303 6,910

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