3 × 5 × 19 × 193 × 389

Prime Factor Structure

Factorization String 3 × 5 × 19 × 193 × 389

Distinct Prime Factors 5

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 32

Divisor Sum (σ) 36,316,800

Proper Divisor Sum 14,919,855

Digit Sum / Digital Root 39 (Root: 3)

Adjacent Primes #21396941 ← → #21396967

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

21,396,945 64,190,836 32,095,418 16,047,709 48,143,128 24,071,564 12,035,782 6,017,891 18,053,674 9,026,837 27,080,512 13,540,256 6,770,128 3,385,064 1,692,532 846,266 423,133 1,269,400 634,700 317,350 158,675 476,026 238,013 714,040 357,020 178,510 89,255 267,766 133,883 401,650 200,825 602,476 301,238 150,619 451,858 225,929 677,788 338,894 169,447 508,342 254,171 762,514 381,257 1,143,772 571,886 285,943 857,830 428,915 1,286,746 643,373 1,930,120 965,060 482,530 241,265 723,796 361,898 180,949 542,848 271,424 135,712

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