53 × 61 × 661

Prime Factor Structure

Factorization String 53 × 61 × 661

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 2,216,376

Proper Divisor Sum 79,363

Digit Sum / Digital Root 17 (Root: 8)

Adjacent Primes #2136997 ← → #2137021

1 53 61 661 3,233 35,033 40,321 2,137,013

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

2,137,013 6,411,040 3,205,520 1,602,760 801,380 400,690 200,345 601,036 300,518 150,259 450,778 225,389 676,168 338,084 169,042 84,521 253,564 126,782 63,391 190,174 95,087 285,262 142,631 427,894 213,947 641,842 320,921 962,764 481,382 240,691 722,074 361,037 1,083,112 541,556 270,778 135,389 406,168 203,084 101,542 50,771 152,314 76,157 228,472 114,236 57,118 28,559 85,678 42,839 128,518 64,259 192,778 96,389 289,168 144,584 72,292 36,146 18,073 54,220 27,110 13,555

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