13 × 311 × 1217

Prime Factor Structure

Factorization String 13 × 311 × 1217

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 5,320,224

Proper Divisor Sum 399,893

Digit Sum / Digital Root 22 (Root: 4)

Adjacent Primes #4920329 ← → #4920347

1 13 311 1,217 4,043 15,821 378,487 4,920,331

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

4,920,331 14,760,994 7,380,497 22,141,492 11,070,746 5,535,373 16,606,120 8,303,060 4,151,530 2,075,765 6,227,296 3,113,648 1,556,824 778,412 389,206 194,603 583,810 291,905 875,716 437,858 218,929 656,788 328,394 164,197 492,592 246,296 123,148 61,574 30,787 92,362 46,181 138,544 69,272 34,636 17,318 8,659 25,978 12,989 38,968 19,484 9,742 4,871 14,614 7,307 21,922 10,961 32,884 16,442 8,221 24,664 12,332 6,166 3,083 9,250 4,625 13,876 6,938 3,469 10,408 5,204

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