2² × 409693

Prime Factor Structure

Factorization String 2^2 × 409693

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 6

Divisor Sum (σ) 2,867,858

Proper Divisor Sum 1,229,086

Digit Sum / Digital Root 34 (Root: 7)

Adjacent Primes #1638743 ← → #1638797

1 2 4 409,693 819,386 1,638,772

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

1,638,772 819,386 409,693 1,229,080 614,540 307,270 153,635 460,906 230,453 691,360 345,680 172,840 86,420 43,210 21,605 64,816 32,408 16,204 8,102 4,051 12,154 6,077 18,232 9,116 4,558 2,279 6,838 3,419 10,258 5,129 15,388 7,694 3,847 11,542 5,771 17,314 8,657 25,972 12,986 6,493 19,480 9,740 4,870 2,435 7,306 3,653 10,960 5,480 2,740 1,370 685 2,056 1,028 514 257 772 386 193 580 290

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