3 × 21559

Prime Factor Structure

Factorization String 3 × 21559

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 86,240

Proper Divisor Sum 21,563

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #64667 ← → #64679

1 3 21,559 64,677

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

64,677 194,032 97,016 48,508 24,254 12,127 36,382 18,191 54,574 27,287 81,862 40,931 122,794 61,397 184,192 92,096 46,048 23,024 11,512 5,756 2,878 1,439 4,318 2,159 6,478 3,239 9,718 4,859 14,578 7,289 21,868 10,934 5,467 16,402 8,201 24,604 12,302 6,151 18,454 9,227 27,682 13,841 41,524 20,762 10,381 31,144 15,572 7,786 3,893 11,680 5,840 2,920 1,460 730 365 1,096 548 274 137 412

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