2² × 3 × 197 × 271

Prime Factor Structure

Factorization String 2^2 × 3 × 197 × 271

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 1,507,968

Proper Divisor Sum 867,324

Digit Sum / Digital Root 24 (Root: 6)

Adjacent Primes #640631 ← → #640649

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

640,644 320,322 160,161 480,484 240,242 120,121 360,364 180,182 90,091 270,274 135,137 405,412 202,706 101,353 304,060 152,030 76,015 228,046 114,023 342,070 171,035 513,106 256,553 769,660 384,830 192,415 577,246 288,623 865,870 432,935 1,298,806 649,403 1,948,210 974,105 2,922,316 1,461,158 730,579 2,191,738 1,095,869 3,287,608 1,643,804 821,902 410,951 1,232,854 616,427 1,849,282 924,641 2,773,924 1,386,962 693,481 2,080,444 1,040,222 520,111 1,560,334 780,167 2,340,502 1,170,251 3,510,754 1,755,377 5,266,132

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