2 × 199889

Prime Factor Structure

Factorization String 2 × 199889

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 599,670

Proper Divisor Sum 199,892

Digit Sum / Digital Root 43 (Root: 7)

Adjacent Primes #399769 ← → #399781

1 2 199,889 399,778

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

399,778 199,889 599,668 299,834 149,917 449,752 224,876 112,438 56,219 168,658 84,329 252,988 126,494 63,247 189,742 94,871 284,614 142,307 426,922 213,461 640,384 320,192 160,096 80,048 40,024 20,012 10,006 5,003 15,010 7,505 22,516 11,258 5,629 16,888 8,444 4,222 2,111 6,334 3,167 9,502 4,751 14,254 7,127 21,382 10,691 32,074 16,037 48,112 24,056 12,028 6,014 3,007 9,022 4,511 13,534 6,767 20,302 10,151 30,454 15,227

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