3 × 7 × 19867

Prime Factor Structure

Factorization String 3 × 7 × 19867

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 635,776

Proper Divisor Sum 218,569

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #417203 ← → #417217

1 3 7 21 19,867 59,601 139,069 417,207

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

417,207 1,251,622 625,811 1,877,434 938,717 2,816,152 1,408,076 704,038 352,019 1,056,058 528,029 1,584,088 792,044 396,022 198,011 594,034 297,017 891,052 445,526 222,763 668,290 334,145 1,002,436 501,218 250,609 751,828 375,914 187,957 563,872 281,936 140,968 70,484 35,242 17,621 52,864 26,432 13,216 6,608 3,304 1,652 826 413 1,240 620 310 155 466 233 700 350 175 526 263 790 395 1,186 593 1,780 890 445

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