3 × 7 × 20161

Prime Factor Structure

Factorization String 3 × 7 × 20161

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 645,184

Proper Divisor Sum 221,803

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #423347 ← → #423389

1 3 7 21 20,161 60,483 141,127 423,381

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

423,381 1,270,144 635,072 317,536 158,768 79,384 39,692 19,846 9,923 29,770 14,885 44,656 22,328 11,164 5,582 2,791 8,374 4,187 12,562 6,281 18,844 9,422 4,711 14,134 7,067 21,202 10,601 31,804 15,902 7,951 23,854 11,927 35,782 17,891 53,674 26,837 80,512 40,256 20,128 10,064 5,032 2,516 1,258 629 1,888 944 472 236 118 59 178 89 268 134 67 202 101 304 152 76

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