19 × 7309

Prime Factor Structure

Factorization String 19 × 7309

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 146,200

Proper Divisor Sum 7,329

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #138869 ← → #138883

1 19 7,309 138,871

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

138,871 416,614 208,307 624,922 312,461 937,384 468,692 234,346 117,173 351,520 175,760 87,880 43,940 21,970 10,985 32,956 16,478 8,239 24,718 12,359 37,078 18,539 55,618 27,809 83,428 41,714 20,857 62,572 31,286 15,643 46,930 23,465 70,396 35,198 17,599 52,798 26,399 79,198 39,599 118,798 59,399 178,198 89,099 267,298 133,649 400,948 200,474 100,237 300,712 150,356 75,178 37,589 112,768 56,384 28,192 14,096 7,048 3,524 1,762 881

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