2 × 5 × 13 × 40163

Prime Factor Structure

Factorization String 2 × 5 × 13 × 40163

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 10,121,328

Proper Divisor Sum 4,900,138

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #5221187 ← → #5221199

1 2 5 10 13 26 65 130 40,163 80,326 200,815 401,630 522,119 1,044,238 2,610,595 5,221,190

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

5,221,190 2,610,595 7,831,786 3,915,893 11,747,680 5,873,840 2,936,920 1,468,460 734,230 367,115 1,101,346 550,673 1,652,020 826,010 413,005 1,239,016 619,508 309,754 154,877 464,632 232,316 116,158 58,079 174,238 87,119 261,358 130,679 392,038 196,019 588,058 294,029 882,088 441,044 220,522 110,261 330,784 165,392 82,696 41,348 20,674 10,337 31,012 15,506 7,753 23,260 11,630 5,815 17,446 8,723 26,170 13,085 39,256 19,628 9,814 4,907 14,722 7,361 22,084 11,042 5,521

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