19 × 397

Prime Factor Structure

Factorization String 19 × 397

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 7,960

Proper Divisor Sum 417

Digit Sum / Digital Root 19 (Root: 1)

Adjacent Primes #7541 ← → #7547

1 19 397 7,543

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

7,543 22,630 11,315 33,946 16,973 50,920 25,460 12,730 6,365 19,096 9,548 4,774 2,387 7,162 3,581 10,744 5,372 2,686 1,343 4,030 2,015 6,046 3,023 9,070 4,535 13,606 6,803 20,410 10,205 30,616 15,308 7,654 3,827 11,482 5,741 17,224 8,612 4,306 2,153 6,460 3,230 1,615 4,846 2,423 7,270 3,635 10,906 5,453 16,360 8,180 4,090 2,045 6,136 3,068 1,534 767 2,302 1,151 3,454 1,727

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