3² × 7 × 13² × 37

Prime Factor Structure

Factorization String 3^2 × 7 × 13^2 × 37

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 36

Divisor Sum (σ) 723,216

Proper Divisor Sum 329,277

Digit Sum / Digital Root 36 (Root: 9)

Adjacent Primes #393931 ← → #393947

1 3 7 9 13 21 37 39 63 91 111 117 169 259 273 333 481 507 777 819 1,183 1,443 1,521 2,331 3,367 3,549 4,329 6,253 10,101 10,647 18,759 30,303 43,771 56,277 131,313 393,939

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

393,939 1,181,818 590,909 1,772,728 886,364 443,182 221,591 664,774 332,387 997,162 498,581 1,495,744 747,872 373,936 186,968 93,484 46,742 23,371 70,114 35,057 105,172 52,586 26,293 78,880 39,440 19,720 9,860 4,930 2,465 7,396 3,698 1,849 5,548 2,774 1,387 4,162 2,081 6,244 3,122 1,561 4,684 2,342 1,171 3,514 1,757 5,272 2,636 1,318 659 1,978 989 2,968 1,484 742 371 1,114 557 1,672 836 418

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