2 × 3 × 5 × 19 × 1129

Prime Factor Structure

Factorization String 2 × 3 × 5 × 19 × 1129

Distinct Prime Factors 5

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 32

Divisor Sum (σ) 1,627,200

Proper Divisor Sum 983,670

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #643523 ← → #643547

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

643,530 321,765 965,296 482,648 241,324 120,662 60,331 180,994 90,497 271,492 135,746 67,873 203,620 101,810 50,905 152,716 76,358 38,179 114,538 57,269 171,808 85,904 42,952 21,476 10,738 5,369 16,108 8,054 4,027 12,082 6,041 18,124 9,062 4,531 13,594 6,797 20,392 10,196 5,098 2,549 7,648 3,824 1,912 956 478 239 718 359 1,078 539 1,618 809 2,428 1,214 607 1,822 911 2,734 1,367 4,102

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