19 × 409

Prime Factor Structure

Factorization String 19 × 409

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 8,200

Proper Divisor Sum 429

Digit Sum / Digital Root 22 (Root: 4)

Adjacent Primes #7759 ← → #7789

1 19 409 7,771

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

7,771 23,314 11,657 34,972 17,486 8,743 26,230 13,115 39,346 19,673 59,020 29,510 14,755 44,266 22,133 66,400 33,200 16,600 8,300 4,150 2,075 6,226 3,113 9,340 4,670 2,335 7,006 3,503 10,510 5,255 15,766 7,883 23,650 11,825 35,476 17,738 8,869 26,608 13,304 6,652 3,326 1,663 4,990 2,495 7,486 3,743 11,230 5,615 16,846 8,423 25,270 12,635 37,906 18,953 56,860 28,430 14,215 42,646 21,323 63,970

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