5 × 43 × 97931

Prime Factor Structure

Factorization String 5 × 43 × 97931

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 25,854,048

Proper Divisor Sum 4,798,883

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #21055147 ← → #21055207

1 5 43 215 97,931 489,655 4,211,033 21,055,165

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

21,055,165 63,165,496 31,582,748 15,791,374 7,895,687 23,687,062 11,843,531 35,530,594 17,765,297 53,295,892 26,647,946 13,323,973 39,971,920 19,985,960 9,992,980 4,996,490 2,498,245 7,494,736 3,747,368 1,873,684 936,842 468,421 1,405,264 702,632 351,316 175,658 87,829 263,488 131,744 65,872 32,936 16,468 8,234 4,117 12,352 6,176 3,088 1,544 772 386 193 580 290 145 436 218 109 328 164 82 41 124 62 31 94 47 142 71 214 107

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