3 × 7 × 17 × 5657

Prime Factor Structure

Factorization String 3 × 7 × 17 × 5657

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 3,259,008

Proper Divisor Sum 1,239,459

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #2019533 ← → #2019569

1 3 7 17 21 51 119 357 5,657 16,971 39,599 96,169 118,797 288,507 673,183 2,019,549

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

2,019,549 6,058,648 3,029,324 1,514,662 757,331 2,271,994 1,135,997 3,407,992 1,703,996 851,998 425,999 1,277,998 638,999 1,916,998 958,499 2,875,498 1,437,749 4,313,248 2,156,624 1,078,312 539,156 269,578 134,789 404,368 202,184 101,092 50,546 25,273 75,820 37,910 18,955 56,866 28,433 85,300 42,650 21,325 63,976 31,988 15,994 7,997 23,992 11,996 5,998 2,999 8,998 4,499 13,498 6,749 20,248 10,124 5,062 2,531 7,594 3,797 11,392 5,696 2,848 1,424 712 356

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