2 × 5 × 7 × 821

Prime Factor Structure

Factorization String 2 × 5 × 7 × 821

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 118,368

Proper Divisor Sum 60,898

Digit Sum / Digital Root 23 (Root: 5)

Adjacent Primes #57467 ← → #57487

1 2 5 7 10 14 35 70 821 1,642 4,105 5,747 8,210 11,494 28,735 57,470

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

57,470 28,735 86,206 43,103 129,310 64,655 193,966 96,983 290,950 145,475 436,426 218,213 654,640 327,320 163,660 81,830 40,915 122,746 61,373 184,120 92,060 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

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