3 × 7² × 19 × 103

Prime Factor Structure

Factorization String 3 × 7^2 × 19 × 103

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 474,240

Proper Divisor Sum 186,561

Digit Sum / Digital Root 39 (Root: 3)

Adjacent Primes #287671 ← → #287681

1 3 7 19 21 49 57 103 133 147 309 399 721 931 1,957 2,163 2,793 5,047 5,871 13,699 15,141 41,097 95,893 287,679

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

287,679 863,038 431,519 1,294,558 647,279 1,941,838 970,919 2,912,758 1,456,379 4,369,138 2,184,569 6,553,708 3,276,854 1,638,427 4,915,282 2,457,641 7,372,924 3,686,462 1,843,231 5,529,694 2,764,847 8,294,542 4,147,271 12,441,814 6,220,907 18,662,722 9,331,361 27,994,084 13,997,042 6,998,521 20,995,564 10,497,782 5,248,891 15,746,674 7,873,337 23,620,012 11,810,006 5,905,003 17,715,010 8,857,505 26,572,516 13,286,258 6,643,129 19,929,388 9,964,694 4,982,347 14,947,042 7,473,521 22,420,564 11,210,282 5,605,141 16,815,424 8,407,712 4,203,856 2,101,928 1,050,964 525,482 262,741 788,224 394,112

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