2² × 5² × 59 × 109

Prime Factor Structure

Factorization String 2^2 × 5^2 × 59 × 109

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 36

Divisor Sum (σ) 1,432,200

Proper Divisor Sum 789,100

Digit Sum / Digital Root 14 (Root: 5)

Adjacent Primes #643099 ← → #643121

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

643,100 321,550 160,775 482,326 241,163 723,490 361,745 1,085,236 542,618 271,309 813,928 406,964 203,482 101,741 305,224 152,612 76,306 38,153 114,460 57,230 28,615 85,846 42,923 128,770 64,385 193,156 96,578 48,289 144,868 72,434 36,217 108,652 54,326 27,163 81,490 40,745 122,236 61,118 30,559 91,678 45,839 137,518 68,759 206,278 103,139 309,418 154,709 464,128 232,064 116,032 58,016 29,008 14,504 7,252 3,626 1,813 5,440 2,720 1,360 680

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