2 × 21206243

Prime Factor Structure

Factorization String 2 × 21206243

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 63,618,732

Proper Divisor Sum 21,206,246

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #42412481 ← → #42412499

1 2 21,206,243 42,412,486

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

42,412,486 21,206,243 63,618,730 31,809,365 95,428,096 47,714,048 23,857,024 11,928,512 5,964,256 2,982,128 1,491,064 745,532 372,766 186,383 559,150 279,575 838,726 419,363 1,258,090 629,045 1,887,136 943,568 471,784 235,892 117,946 58,973 176,920 88,460 44,230 22,115 66,346 33,173 99,520 49,760 24,880 12,440 6,220 3,110 1,555 4,666 2,333 7,000 3,500 1,750 875 2,626 1,313 3,940 1,970 985 2,956 1,478 739 2,218 1,109 3,328 1,664 832 416 208

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