7 × 19 × 21787

Prime Factor Structure

Factorization String 7 × 19 × 21787

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 3,486,080

Proper Divisor Sum 588,409

Digit Sum / Digital Root 40 (Root: 4)

Adjacent Primes #2897627 ← → #2897689

1 7 19 133 21,787 152,509 413,953 2,897,671

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

2,897,671 8,693,014 4,346,507 13,039,522 6,519,761 19,559,284 9,779,642 4,889,821 14,669,464 7,334,732 3,667,366 1,833,683 5,501,050 2,750,525 8,251,576 4,125,788 2,062,894 1,031,447 3,094,342 1,547,171 4,641,514 2,320,757 6,962,272 3,481,136 1,740,568 870,284 435,142 217,571 652,714 326,357 979,072 489,536 244,768 122,384 61,192 30,596 15,298 7,649 22,948 11,474 5,737 17,212 8,606 4,303 12,910 6,455 19,366 9,683 29,050 14,525 43,576 21,788 10,894 5,447 16,342 8,171 24,514 12,257 36,772 18,386

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