3 × 13 × 313 × 1753

Prime Factor Structure

Factorization String 3 × 13 × 313 × 1753

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 30,842,336

Proper Divisor Sum 9,443,465

Digit Sum / Digital Root 39 (Root: 3)

Adjacent Primes #21398849 ← → #21398873

1 3 13 39 313 939 1,753 4,069 5,259 12,207 22,789 68,367 548,689 1,646,067 7,132,957 21,398,871

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

21,398,871 64,196,614 32,098,307 96,294,922 48,147,461 144,442,384 72,221,192 36,110,596 18,055,298 9,027,649 27,082,948 13,541,474 6,770,737 20,312,212 10,156,106 5,078,053 15,234,160 7,617,080 3,808,540 1,904,270 952,135 2,856,406 1,428,203 4,284,610 2,142,305 6,426,916 3,213,458 1,606,729 4,820,188 2,410,094 1,205,047 3,615,142 1,807,571 5,422,714 2,711,357 8,134,072 4,067,036 2,033,518 1,016,759 3,050,278 1,525,139 4,575,418 2,287,709 6,863,128 3,431,564 1,715,782 857,891 2,573,674 1,286,837 3,860,512 1,930,256 965,128 482,564 241,282 120,641 361,924 180,962 90,481 271,444 135,722

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