3 × 7 × 18757

Prime Factor Structure

Factorization String 3 × 7 × 18757

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 600,256

Proper Divisor Sum 206,359

Digit Sum / Digital Root 39 (Root: 3)

Adjacent Primes #393871 ← → #393901

1 3 7 21 18,757 56,271 131,299 393,897

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

393,897 1,181,692 590,846 295,423 886,270 443,135 1,329,406 664,703 1,994,110 997,055 2,991,166 1,495,583 4,486,750 2,243,375 6,730,126 3,365,063 10,095,190 5,047,595 15,142,786 7,571,393 22,714,180 11,357,090 5,678,545 17,035,636 8,517,818 4,258,909 12,776,728 6,388,364 3,194,182 1,597,091 4,791,274 2,395,637 7,186,912 3,593,456 1,796,728 898,364 449,182 224,591 673,774 336,887 1,010,662 505,331 1,515,994 757,997 2,273,992 1,136,996 568,498 284,249 852,748 426,374 213,187 639,562 319,781 959,344 479,672 239,836 119,918 59,959 179,878 89,939

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