3 × 5 × 7 × 19 × 109

Prime Factor Structure

Factorization String 3 × 5 × 7 × 19 × 109

Distinct Prime Factors 5

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 32

Divisor Sum (σ) 422,400

Proper Divisor Sum 204,945

Digit Sum / Digital Root 24 (Root: 6)

Adjacent Primes #217439 ← → #217457

1 3 5 7 15 19 21 35 57 95 105 109 133 285 327 399 545 665 763 1,635 1,995 2,071 2,289 3,815 6,213 10,355 11,445 14,497 31,065 43,491 72,485 217,455

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

217,455 652,366 326,183 978,550 489,275 1,467,826 733,913 2,201,740 1,100,870 550,435 1,651,306 825,653 2,476,960 1,238,480 619,240 309,620 154,810 77,405 232,216 116,108 58,054 29,027 87,082 43,541 130,624 65,312 32,656 16,328 8,164 4,082 2,041 6,124 3,062 1,531 4,594 2,297 6,892 3,446 1,723 5,170 2,585 7,756 3,878 1,939 5,818 2,909 8,728 4,364 2,182 1,091 3,274 1,637 4,912 2,456 1,228 614 307 922 461 1,384

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