3 × 5 × 73 × 191

Prime Factor Structure

Factorization String 3 × 5 × 73 × 191

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 340,992

Proper Divisor Sum 131,847

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #209123 ← → #209147

1 3 5 15 73 191 219 365 573 955 1,095 2,865 13,943 41,829 69,715 209,145

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

209,145 627,436 313,718 156,859 470,578 235,289 705,868 352,934 176,467 529,402 264,701 794,104 397,052 198,526 99,263 297,790 148,895 446,686 223,343 670,030 335,015 1,005,046 502,523 1,507,570 753,785 2,261,356 1,130,678 565,339 1,696,018 848,009 2,544,028 1,272,014 636,007 1,908,022 954,011 2,862,034 1,431,017 4,293,052 2,146,526 1,073,263 3,219,790 1,609,895 4,829,686 2,414,843 7,244,530 3,622,265 10,866,796 5,433,398 2,716,699 8,150,098 4,075,049 12,225,148 6,112,574 3,056,287 9,168,862 4,584,431 13,753,294 6,876,647 20,629,942 10,314,971

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