3 × 5 × 19 × 37 × 61

Prime Factor Structure

Factorization String 3 × 5 × 19 × 37 × 61

Distinct Prime Factors 5

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 32

Divisor Sum (σ) 1,130,880

Proper Divisor Sum 487,635

Digit Sum / Digital Root 24 (Root: 6)

Adjacent Primes #643243 ← → #643273

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

643,245 1,929,736 964,868 482,434 241,217 723,652 361,826 180,913 542,740 271,370 135,685 407,056 203,528 101,764 50,882 25,441 76,324 38,162 19,081 57,244 28,622 14,311 42,934 21,467 64,402 32,201 96,604 48,302 24,151 72,454 36,227 108,682 54,341 163,024 81,512 40,756 20,378 10,189 30,568 15,284 7,642 3,821 11,464 5,732 2,866 1,433 4,300 2,150 1,075 3,226 1,613 4,840 2,420 1,210 605 1,816 908 454 227 682

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