2² × 5 × 7 × 13 × 67 × 173

Prime Factor Structure

Factorization String 2^2 × 5 × 7 × 13 × 67 × 173

Distinct Prime Factors 6

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 96

Divisor Sum (σ) 55,657,728

Proper Divisor Sum 34,562,108

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #21095617 ← → #21095629

1 2 4 5 7 10 13 14 20 26 28 35 52 65 67 70 91 130 134 140 173 182 260 268 335 346 364 455 469 670 692 865 871 910 938 1,211 1,340 1,730 1,742 1,820 1,876 2,249 2,345 2,422 3,460 3,484 4,355 4,498 4,690 4,844 6,055 6,097 8,710 8,996 9,380 11,245 11,591 12,110 12,194 15,743

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

21,095,620 10,547,810 5,273,905 15,821,716 7,910,858 3,955,429 11,866,288 5,933,144 2,966,572 1,483,286 741,643 2,224,930 1,112,465 3,337,396 1,668,698 834,349 2,503,048 1,251,524 625,762 312,881 938,644 469,322 234,661 703,984 351,992 175,996 87,998 43,999 131,998 65,999 197,998 98,999 296,998 148,499 445,498 222,749 668,248 334,124 167,062 83,531 250,594 125,297 375,892 187,946 93,973 281,920 140,960 70,480 35,240 17,620 8,810 4,405 13,216 6,608 3,304 1,652 826 413 1,240 620

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