2 × 3 × 19 × 37 × 389

Prime Factor Structure

Factorization String 2 × 3 × 19 × 37 × 389

Distinct Prime Factors 5

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 32

Divisor Sum (σ) 3,556,800

Proper Divisor Sum 1,915,998

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #1640773 ← → #1640803

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

1,640,802 820,401 2,461,204 1,230,602 615,301 1,845,904 922,952 461,476 230,738 115,369 346,108 173,054 86,527 259,582 129,791 389,374 194,687 584,062 292,031 876,094 438,047 1,314,142 657,071 1,971,214 985,607 2,956,822 1,478,411 4,435,234 2,217,617 6,652,852 3,326,426 1,663,213 4,989,640 2,494,820 1,247,410 623,705 1,871,116 935,558 467,779 1,403,338 701,669 2,105,008 1,052,504 526,252 263,126 131,563 394,690 197,345 592,036 296,018 148,009 444,028 222,014 111,007 333,022 166,511 499,534 249,767 749,302 374,651

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