2² × 409711

Prime Factor Structure

Factorization String 2^2 × 409711

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 6

Divisor Sum (σ) 2,867,984

Proper Divisor Sum 1,229,140

Digit Sum / Digital Root 34 (Root: 7)

Adjacent Primes #1638821 ← → #1638869

1 2 4 409,711 819,422 1,638,844

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

1,638,844 819,422 409,711 1,229,134 614,567 1,843,702 921,851 2,765,554 1,382,777 4,148,332 2,074,166 1,037,083 3,111,250 1,555,625 4,666,876 2,333,438 1,166,719 3,500,158 1,750,079 5,250,238 2,625,119 7,875,358 3,937,679 11,813,038 5,906,519 17,719,558 8,859,779 26,579,338 13,289,669 39,869,008 19,934,504 9,967,252 4,983,626 2,491,813 7,475,440 3,737,720 1,868,860 934,430 467,215 1,401,646 700,823 2,102,470 1,051,235 3,153,706 1,576,853 4,730,560 2,365,280 1,182,640 591,320 295,660 147,830 73,915 221,746 110,873 332,620 166,310 83,155 249,466 124,733 374,200

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