2 × 3 × 43 × 71

Prime Factor Structure

Factorization String 2 × 3 × 43 × 71

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 38,016

Proper Divisor Sum 19,698

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #18313 ← → #18329

1 2 3 6 43 71 86 129 142 213 258 426 3,053 6,106 9,159 18,318

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

18,318 9,159 27,478 13,739 41,218 20,609 61,828 30,914 15,457 46,372 23,186 11,593 34,780 17,390 8,695 26,086 13,043 39,130 19,565 58,696 29,348 14,674 7,337 22,012 11,006 5,503 16,510 8,255 24,766 12,383 37,150 18,575 55,726 27,863 83,590 41,795 125,386 62,693 188,080 94,040 47,020 23,510 11,755 35,266 17,633 52,900 26,450 13,225 39,676 19,838 9,919 29,758 14,879 44,638 22,319 66,958 33,479 100,438 50,219 150,658

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