3 × 7 × 10391

Prime Factor Structure

Factorization String 3 × 7 × 10391

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 332,544

Proper Divisor Sum 114,333

Digit Sum / Digital Root 15 (Root: 6)

Adjacent Primes #218191 ← → #218213

1 3 7 21 10,391 31,173 72,737 218,211

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

218,211 654,634 327,317 981,952 490,976 245,488 122,744 61,372 30,686 15,343 46,030 23,015 69,046 34,523 103,570 51,785 155,356 77,678 38,839 116,518 58,259 174,778 87,389 262,168 131,084 65,542 32,771 98,314 49,157 147,472 73,736 36,868 18,434 9,217 27,652 13,826 6,913 20,740 10,370 5,185 15,556 7,778 3,889 11,668 5,834 2,917 8,752 4,376 2,188 1,094 547 1,642 821 2,464 1,232 616 308 154 77 232

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