2 × 7 × 23 × 233 × 281

Prime Factor Structure

Factorization String 2 × 7 × 23 × 233 × 281

Distinct Prime Factors 5

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 32

Divisor Sum (σ) 38,009,088

Proper Divisor Sum 16,926,782

Digit Sum / Digital Root 22 (Root: 4)

Adjacent Primes #21082301 ← → #21082309

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

21,082,306 10,541,153 31,623,460 15,811,730 7,905,865 23,717,596 11,858,798 5,929,399 17,788,198 8,894,099 26,682,298 13,341,149 40,023,448 20,011,724 10,005,862 5,002,931 15,008,794 7,504,397 22,513,192 11,256,596 5,628,298 2,814,149 8,442,448 4,221,224 2,110,612 1,055,306 527,653 1,582,960 791,480 395,740 197,870 98,935 296,806 148,403 445,210 222,605 667,816 333,908 166,954 83,477 250,432 125,216 62,608 31,304 15,652 7,826 3,913 11,740 5,870 2,935 8,806 4,403 13,210 6,605 19,816 9,908 4,954 2,477 7,432 3,716

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