2 × 320293

Prime Factor Structure

Factorization String 2 × 320293

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 960,882

Proper Divisor Sum 320,296

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #640583 ← → #640589

1 2 320,293 640,586

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

640,586 320,293 960,880 480,440 240,220 120,110 60,055 180,166 90,083 270,250 135,125 405,376 202,688 101,344 50,672 25,336 12,668 6,334 3,167 9,502 4,751 14,254 7,127 21,382 10,691 32,074 16,037 48,112 24,056 12,028 6,014 3,007 9,022 4,511 13,534 6,767 20,302 10,151 30,454 15,227 45,682 22,841 68,524 34,262 17,131 51,394 25,697 77,092 38,546 19,273 57,820 28,910 14,455 43,366 21,683 65,050 32,525 97,576 48,788 24,394

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