3 × 5 × 13 × 197

Prime Factor Structure

Factorization String 3 × 5 × 13 × 197

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 66,528

Proper Divisor Sum 28,113

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #38393 ← → #38431

1 3 5 13 15 39 65 195 197 591 985 2,561 2,955 7,683 12,805 38,415

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

38,415 115,246 57,623 172,870 86,435 259,306 129,653 388,960 194,480 97,240 48,620 24,310 12,155 36,466 18,233 54,700 27,350 13,675 41,026 20,513 61,540 30,770 15,385 46,156 23,078 11,539 34,618 17,309 51,928 25,964 12,982 6,491 19,474 9,737 29,212 14,606 7,303 21,910 10,955 32,866 16,433 49,300 24,650 12,325 36,976 18,488 9,244 4,622 2,311 6,934 3,467 10,402 5,201 15,604 7,802 3,901 11,704 5,852 2,926 1,463

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