643 × 1867

Prime Factor Structure

Factorization String 643 × 1867

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 1,202,992

Proper Divisor Sum 2,511

Digit Sum / Digital Root 16 (Root: 7)

Adjacent Primes #1200467 ← → #1200491

1 643 1,867 1,200,481

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

1,200,481 3,601,444 1,800,722 900,361 2,701,084 1,350,542 675,271 2,025,814 1,012,907 3,038,722 1,519,361 4,558,084 2,279,042 1,139,521 3,418,564 1,709,282 854,641 2,563,924 1,281,962 640,981 1,922,944 961,472 480,736 240,368 120,184 60,092 30,046 15,023 45,070 22,535 67,606 33,803 101,410 50,705 152,116 76,058 38,029 114,088 57,044 28,522 14,261 42,784 21,392 10,696 5,348 2,674 1,337 4,012 2,006 1,003 3,010 1,505 4,516 2,258 1,129 3,388 1,694 847 2,542 1,271

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