2 × 213821

Prime Factor Structure

Factorization String 2 × 213821

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 641,466

Proper Divisor Sum 213,824

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #427621 ← → #427681

1 2 213,821 427,642

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

427,642 213,821 641,464 320,732 160,366 80,183 240,550 120,275 360,826 180,413 541,240 270,620 135,310 67,655 202,966 101,483 304,450 152,225 456,676 228,338 114,169 342,508 171,254 85,627 256,882 128,441 385,324 192,662 96,331 288,994 144,497 433,492 216,746 108,373 325,120 162,560 81,280 40,640 20,320 10,160 5,080 2,540 1,270 635 1,906 953 2,860 1,430 715 2,146 1,073 3,220 1,610 805 2,416 1,208 604 302 151 454

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