2 × 7 × 13 × 117571

Prime Factor Structure

Factorization String 2 × 7 × 13 × 117571

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 39,504,192

Proper Divisor Sum 18,106,270

Digit Sum / Digital Root 35 (Root: 8)

Adjacent Primes #21397919 ← → #21397931

1 2 7 13 14 26 91 182 117,571 235,142 822,997 1,528,423 1,645,994 3,056,846 10,698,961 21,397,922

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

21,397,922 10,698,961 32,096,884 16,048,442 8,024,221 24,072,664 12,036,332 6,018,166 3,009,083 9,027,250 4,513,625 13,540,876 6,770,438 3,385,219 10,155,658 5,077,829 15,233,488 7,616,744 3,808,372 1,904,186 952,093 2,856,280 1,428,140 714,070 357,035 1,071,106 535,553 1,606,660 803,330 401,665 1,204,996 602,498 301,249 903,748 451,874 225,937 677,812 338,906 169,453 508,360 254,180 127,090 63,545 190,636 95,318 47,659 142,978 71,489 214,468 107,234 53,617 160,852 80,426 40,213 120,640 60,320 30,160 15,080 7,540 3,770

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