3 × 5 × 7 × 3221

Prime Factor Structure

Factorization String 3 × 5 × 7 × 3221

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 618,624

Proper Divisor Sum 280,419

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #338203 ← → #338207

1 3 5 7 15 21 35 105 3,221 9,663 16,105 22,547 48,315 67,641 112,735 338,205

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

338,205 1,014,616 507,308 253,654 126,827 380,482 190,241 570,724 285,362 142,681 428,044 214,022 107,011 321,034 160,517 481,552 240,776 120,388 60,194 30,097 90,292 45,146 22,573 67,720 33,860 16,930 8,465 25,396 12,698 6,349 19,048 9,524 4,762 2,381 7,144 3,572 1,786 893 2,680 1,340 670 335 1,006 503 1,510 755 2,266 1,133 3,400 1,700 850 425 1,276 638 319 958 479 1,438 719 2,158

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