2² × 401²

Prime Factor Structure

Factorization String 2^2 × 401^2

Distinct Prime Factors 2

Square Status Yes (√643204 = 802)

Abundance Measure Deficient

Analytical Properties

Total Divisors 9

Divisor Sum (σ) 1,128,421

Proper Divisor Sum 485,217

Digit Sum / Digital Root 19 (Root: 1)

Adjacent Primes #643199 ← → #643213

1 2 4 401 802 1,604 160,801 321,602 643,204

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

643,204 321,602 160,801 482,404 241,202 120,601 361,804 180,902 90,451 271,354 135,677 407,032 203,516 101,758 50,879 152,638 76,319 228,958 114,479 343,438 171,719 515,158 257,579 772,738 386,369 1,159,108 579,554 289,777 869,332 434,666 217,333 652,000 326,000 163,000 81,500 40,750 20,375 61,126 30,563 91,690 45,845 137,536 68,768 34,384 17,192 8,596 4,298 2,149 6,448 3,224 1,612 806 403 1,210 605 1,816 908 454 227 682

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