641 × 991

Prime Factor Structure

Factorization String 641 × 991

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 636,864

Proper Divisor Sum 1,633

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #635207 ← → #635249

1 641 991 635,231

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

635,231 1,905,694 952,847 2,858,542 1,429,271 4,287,814 2,143,907 6,431,722 3,215,861 9,647,584 4,823,792 2,411,896 1,205,948 602,974 301,487 904,462 452,231 1,356,694 678,347 2,035,042 1,017,521 3,052,564 1,526,282 763,141 2,289,424 1,144,712 572,356 286,178 143,089 429,268 214,634 107,317 321,952 160,976 80,488 40,244 20,122 10,061 30,184 15,092 7,546 3,773 11,320 5,660 2,830 1,415 4,246 2,123 6,370 3,185 9,556 4,778 2,389 7,168 3,584 1,792 896 448 224 112

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