17 × 31 × 37991

Prime Factor Structure

Factorization String 17 × 31 × 37991

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 21,883,392

Proper Divisor Sum 1,862,135

Digit Sum / Digital Root 19 (Root: 1)

Adjacent Primes #20021251 ← → #20021263

1 17 31 527 37,991 645,847 1,177,721 20,021,257

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

20,021,257 60,063,772 30,031,886 15,015,943 45,047,830 22,523,915 67,571,746 33,785,873 101,357,620 50,678,810 25,339,405 76,018,216 38,009,108 19,004,554 9,502,277 28,506,832 14,253,416 7,126,708 3,563,354 1,781,677 5,345,032 2,672,516 1,336,258 668,129 2,004,388 1,002,194 501,097 1,503,292 751,646 375,823 1,127,470 563,735 1,691,206 845,603 2,536,810 1,268,405 3,805,216 1,902,608 951,304 475,652 237,826 118,913 356,740 178,370 89,185 267,556 133,778 66,889 200,668 100,334 50,167 150,502 75,251 225,754 112,877 338,632 169,316 84,658 42,329 126,988

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