5 × 128747

Prime Factor Structure

Factorization String 5 × 128747

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 772,488

Proper Divisor Sum 128,753

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #643729 ← → #643751

1 5 128,747 643,735

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

643,735 1,931,206 965,603 2,896,810 1,448,405 4,345,216 2,172,608 1,086,304 543,152 271,576 135,788 67,894 33,947 101,842 50,921 152,764 76,382 38,191 114,574 57,287 171,862 85,931 257,794 128,897 386,692 193,346 96,673 290,020 145,010 72,505 217,516 108,758 54,379 163,138 81,569 244,708 122,354 61,177 183,532 91,766 45,883 137,650 68,825 206,476 103,238 51,619 154,858 77,429 232,288 116,144 58,072 29,036 14,518 7,259 21,778 10,889 32,668 16,334 8,167 24,502

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