641 × 647

Prime Factor Structure

Factorization String 641 × 647

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 416,016

Proper Divisor Sum 1,289

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #414721 ← → #414731

1 641 647 414,727

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

414,727 1,244,182 622,091 1,866,274 933,137 2,799,412 1,399,706 699,853 2,099,560 1,049,780 524,890 262,445 787,336 393,668 196,834 98,417 295,252 147,626 73,813 221,440 110,720 55,360 27,680 13,840 6,920 3,460 1,730 865 2,596 1,298 649 1,948 974 487 1,462 731 2,194 1,097 3,292 1,646 823 2,470 1,235 3,706 1,853 5,560 2,780 1,390 695 2,086 1,043 3,130 1,565 4,696 2,348 1,174 587 1,762 881 2,644

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