2 × 3³ × 5 × 821

Prime Factor Structure

Factorization String 2 × 3^3 × 5 × 821

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 32

Divisor Sum (σ) 591,840

Proper Divisor Sum 370,170

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #221659 ← → #221671

1 2 3 5 6 9 10 15 18 27 30 45 54 90 135 270 821 1,642 2,463 4,105 4,926 7,389 8,210 12,315 14,778 22,167 24,630 36,945 44,334 73,890 110,835 221,670

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

221,670 110,835 332,506 166,253 498,760 249,380 124,690 62,345 187,036 93,518 46,759 140,278 70,139 210,418 105,209 315,628 157,814 78,907 236,722 118,361 355,084 177,542 88,771 266,314 133,157 399,472 199,736 99,868 49,934 24,967 74,902 37,451 112,354 56,177 168,532 84,266 42,133 126,400 63,200 31,600 15,800 7,900 3,950 1,975 5,926 2,963 8,890 4,445 13,336 6,668 3,334 1,667 5,002 2,501 7,504 3,752 1,876 938 469 1,408

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