2 × 321779

Prime Factor Structure

Factorization String 2 × 321779

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 965,340

Proper Divisor Sum 321,782

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #643553 ← → #643567

1 2 321,779 643,558

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

643,558 321,779 965,338 482,669 1,448,008 724,004 362,002 181,001 543,004 271,502 135,751 407,254 203,627 610,882 305,441 916,324 458,162 229,081 687,244 343,622 171,811 515,434 257,717 773,152 386,576 193,288 96,644 48,322 24,161 72,484 36,242 18,121 54,364 27,182 13,591 40,774 20,387 61,162 30,581 91,744 45,872 22,936 11,468 5,734 2,867 8,602 4,301 12,904 6,452 3,226 1,613 4,840 2,420 1,210 605 1,816 908 454 227 682

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