638839

Prime Factor Structure

Factorization String 638839

Distinct Prime Factors 1

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 2

Divisor Sum (σ) 638,840

Proper Divisor Sum 1

Digit Sum / Digital Root 37 (Root: 1)

Adjacent Primes #638819 ← → #638857

1 638,839

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

638,839 1,916,518 958,259 2,874,778 1,437,389 4,312,168 2,156,084 1,078,042 539,021 1,617,064 808,532 404,266 202,133 606,400 303,200 151,600 75,800 37,900 18,950 9,475 28,426 14,213 42,640 21,320 10,660 5,330 2,665 7,996 3,998 1,999 5,998 2,999 8,998 4,499 13,498 6,749 20,248 10,124 5,062 2,531 7,594 3,797 11,392 5,696 2,848 1,424 712 356 178 89 268 134 67 202 101 304 152 76 38 19

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