2² × 79 × 199 × 337

Prime Factor Structure

Factorization String 2^2 × 79 × 199 × 337

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 37,856,000

Proper Divisor Sum 16,664,092

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #21191873 ← → #21191917

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

21,191,908 10,595,954 5,297,977 15,893,932 7,946,966 3,973,483 11,920,450 5,960,225 17,880,676 8,940,338 4,470,169 13,410,508 6,705,254 3,352,627 10,057,882 5,028,941 15,086,824 7,543,412 3,771,706 1,885,853 5,657,560 2,828,780 1,414,390 707,195 2,121,586 1,060,793 3,182,380 1,591,190 795,595 2,386,786 1,193,393 3,580,180 1,790,090 895,045 2,685,136 1,342,568 671,284 335,642 167,821 503,464 251,732 125,866 62,933 188,800 94,400 47,200 23,600 11,800 5,900 2,950 1,475 4,426 2,213 6,640 3,320 1,660 830 415 1,246 623

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