2² × 7 × 22871

Prime Factor Structure

Factorization String 2^2 × 7 × 22871

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 1,280,832

Proper Divisor Sum 640,444

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #640369 ← → #640411

1 2 4 7 14 28 22,871 45,742 91,484 160,097 320,194 640,388

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

640,388 320,194 160,097 480,292 240,146 120,073 360,220 180,110 90,055 270,166 135,083 405,250 202,625 607,876 303,938 151,969 455,908 227,954 113,977 341,932 170,966 85,483 256,450 128,225 384,676 192,338 96,169 288,508 144,254 72,127 216,382 108,191 324,574 162,287 486,862 243,431 730,294 365,147 1,095,442 547,721 1,643,164 821,582 410,791 1,232,374 616,187 1,848,562 924,281 2,772,844 1,386,422 693,211 2,079,634 1,039,817 3,119,452 1,559,726 779,863 2,339,590 1,169,795 3,509,386 1,754,693 5,264,080

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