2⁴ × 39983

Prime Factor Structure

Factorization String 2^4 × 39983

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 10

Divisor Sum (σ) 1,239,504

Proper Divisor Sum 599,776

Digit Sum / Digital Root 35 (Root: 8)

Adjacent Primes #639719 ← → #639731

1 2 4 8 16 39,983 79,966 159,932 319,864 639,728

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

639,728 319,864 159,932 79,966 39,983 119,950 59,975 179,926 89,963 269,890 134,945 404,836 202,418 101,209 303,628 151,814 75,907 227,722 113,861 341,584 170,792 85,396 42,698 21,349 64,048 32,024 16,012 8,006 4,003 12,010 6,005 18,016 9,008 4,504 2,252 1,126 563 1,690 845 2,536 1,268 634 317 952 476 238 119 358 179 538 269 808 404 202 101 304 152 76 38 19

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