2 × 3 × 13 × 269

Prime Factor Structure

Factorization String 2 × 3 × 13 × 269

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 45,360

Proper Divisor Sum 24,378

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #20981 ← → #20983

1 2 3 6 13 26 39 78 269 538 807 1,614 3,497 6,994 10,491 20,982

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

20,982 10,491 31,474 15,737 47,212 23,606 11,803 35,410 17,705 53,116 26,558 13,279 39,838 19,919 59,758 29,879 89,638 44,819 134,458 67,229 201,688 100,844 50,422 25,211 75,634 37,817 113,452 56,726 28,363 85,090 42,545 127,636 63,818 31,909 95,728 47,864 23,932 11,966 5,983 17,950 8,975 26,926 13,463 40,390 20,195 60,586 30,293 90,880 45,440 22,720 11,360 5,680 2,840 1,420 710 355 1,066 533 1,600 800

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