3 × 206821

Prime Factor Structure

Factorization String 3 × 206821

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 827,288

Proper Divisor Sum 206,825

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #620461 ← → #620467

1 3 206,821 620,463

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

620,463 1,861,390 930,695 2,792,086 1,396,043 4,188,130 2,094,065 6,282,196 3,141,098 1,570,549 4,711,648 2,355,824 1,177,912 588,956 294,478 147,239 441,718 220,859 662,578 331,289 993,868 496,934 248,467 745,402 372,701 1,118,104 559,052 279,526 139,763 419,290 209,645 628,936 314,468 157,234 78,617 235,852 117,926 58,963 176,890 88,445 265,336 132,668 66,334 33,167 99,502 49,751 149,254 74,627 223,882 111,941 335,824 167,912 83,956 41,978 20,989 62,968 31,484 15,742 7,871 23,614

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