3 × 13 × 19 × 2887

Prime Factor Structure

Factorization String 3 × 13 × 19 × 2887

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 3,234,560

Proper Divisor Sum 1,095,293

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #2139233 ← → #2139283

1 3 13 19 39 57 247 741 2,887 8,661 37,531 54,853 112,593 164,559 713,089 2,139,267

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

2,139,267 6,417,802 3,208,901 9,626,704 4,813,352 2,406,676 1,203,338 601,669 1,805,008 902,504 451,252 225,626 112,813 338,440 169,220 84,610 42,305 126,916 63,458 31,729 95,188 47,594 23,797 71,392 35,696 17,848 8,924 4,462 2,231 6,694 3,347 10,042 5,021 15,064 7,532 3,766 1,883 5,650 2,825 8,476 4,238 2,119 6,358 3,179 9,538 4,769 14,308 7,154 3,577 10,732 5,366 2,683 8,050 4,025 12,076 6,038 3,019 9,058 4,529 13,588

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