2 × 321631

Prime Factor Structure

Factorization String 2 × 321631

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 964,896

Proper Divisor Sum 321,634

Digit Sum / Digital Root 23 (Root: 5)

Adjacent Primes #643243 ← → #643273

1 2 321,631 643,262

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

643,262 321,631 964,894 482,447 1,447,342 723,671 2,171,014 1,085,507 3,256,522 1,628,261 4,884,784 2,442,392 1,221,196 610,598 305,299 915,898 457,949 1,373,848 686,924 343,462 171,731 515,194 257,597 772,792 386,396 193,198 96,599 289,798 144,899 434,698 217,349 652,048 326,024 163,012 81,506 40,753 122,260 61,130 30,565 91,696 45,848 22,924 11,462 5,731 17,194 8,597 25,792 12,896 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.