3 × 19 × 223 × 509

Prime Factor Structure

Factorization String 3 × 19 × 223 × 509

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 9,139,200

Proper Divisor Sum 2,669,301

Digit Sum / Digital Root 51 (Root: 6)

Adjacent Primes #6469891 ← → #6469919

1 3 19 57 223 509 669 1,527 4,237 9,671 12,711 29,013 113,507 340,521 2,156,633 6,469,899

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

6,469,899 19,409,698 9,704,849 29,114,548 14,557,274 7,278,637 21,835,912 10,917,956 5,458,978 2,729,489 8,188,468 4,094,234 2,047,117 6,141,352 3,070,676 1,535,338 767,669 2,303,008 1,151,504 575,752 287,876 143,938 71,969 215,908 107,954 53,977 161,932 80,966 40,483 121,450 60,725 182,176 91,088 45,544 22,772 11,386 5,693 17,080 8,540 4,270 2,135 6,406 3,203 9,610 4,805 14,416 7,208 3,604 1,802 901 2,704 1,352 676 338 169 508 254 127 382 191

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