13 × 17 × 997

Prime Factor Structure

Factorization String 13 × 17 × 997

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 251,496

Proper Divisor Sum 31,159

Digit Sum / Digital Root 17 (Root: 8)

Adjacent Primes #220333 ← → #220351

1 13 17 221 997 12,961 16,949 220,337

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

220,337 661,012 330,506 165,253 495,760 247,880 123,940 61,970 30,985 92,956 46,478 23,239 69,718 34,859 104,578 52,289 156,868 78,434 39,217 117,652 58,826 29,413 88,240 44,120 22,060 11,030 5,515 16,546 8,273 24,820 12,410 6,205 18,616 9,308 4,654 2,327 6,982 3,491 10,474 5,237 15,712 7,856 3,928 1,964 982 491 1,474 737 2,212 1,106 553 1,660 830 415 1,246 623 1,870 935 2,806 1,403

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