2 × 19 × 563

Prime Factor Structure

Factorization String 2 × 19 × 563

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 33,840

Proper Divisor Sum 12,446

Digit Sum / Digital Root 19 (Root: 1)

Adjacent Primes #21391 ← → #21397

1 2 19 38 563 1,126 10,697 21,394

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

21,394 10,697 32,092 16,046 8,023 24,070 12,035 36,106 18,053 54,160 27,080 13,540 6,770 3,385 10,156 5,078 2,539 7,618 3,809 11,428 5,714 2,857 8,572 4,286 2,143 6,430 3,215 9,646 4,823 14,470 7,235 21,706 10,853 32,560 16,280 8,140 4,070 2,035 6,106 3,053 9,160 4,580 2,290 1,145 3,436 1,718 859 2,578 1,289 3,868 1,934 967 2,902 1,451 4,354 2,177 6,532 3,266 1,633 4,900

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