2 × 3 × 31 × 53 × 67

Prime Factor Structure

Factorization String 2 × 3 × 31 × 53 × 67

Distinct Prime Factors 5

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 32

Divisor Sum (σ) 1,410,048

Proper Divisor Sum 749,562

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #660449 ← → #660493

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

660,486 330,243 990,730 495,365 1,486,096 743,048 371,524 185,762 92,881 278,644 139,322 69,661 208,984 104,492 52,246 26,123 78,370 39,185 117,556 58,778 29,389 88,168 44,084 22,042 11,021 33,064 16,532 8,266 4,133 12,400 6,200 3,100 1,550 775 2,326 1,163 3,490 1,745 5,236 2,618 1,309 3,928 1,964 982 491 1,474 737 2,212 1,106 553 1,660 830 415 1,246 623 1,870 935 2,806 1,403 4,210

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