2 × 6820169

Prime Factor Structure

Factorization String 2 × 6820169

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 20,460,510

Proper Divisor Sum 6,820,172

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #13640321 ← → #13640339

1 2 6,820,169 13,640,338

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

13,640,338 6,820,169 20,460,508 10,230,254 5,115,127 15,345,382 7,672,691 23,018,074 11,509,037 34,527,112 17,263,556 8,631,778 4,315,889 12,947,668 6,473,834 3,236,917 9,710,752 4,855,376 2,427,688 1,213,844 606,922 303,461 910,384 455,192 227,596 113,798 56,899 170,698 85,349 256,048 128,024 64,012 32,006 16,003 48,010 24,005 72,016 36,008 18,004 9,002 4,501 13,504 6,752 3,376 1,688 844 422 211 634 317 952 476 238 119 358 179 538 269 808 404

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