3 × 7 × 37 × 257

Prime Factor Structure

Factorization String 3 × 7 × 37 × 257

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 313,728

Proper Divisor Sum 114,039

Digit Sum / Digital Root 42 (Root: 6)

Adjacent Primes #199687 ← → #199697

1 3 7 21 37 111 257 259 771 777 1,799 5,397 9,509 28,527 66,563 199,689

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

199,689 599,068 299,534 149,767 449,302 224,651 673,954 336,977 1,010,932 505,466 252,733 758,200 379,100 189,550 94,775 284,326 142,163 426,490 213,245 639,736 319,868 159,934 79,967 239,902 119,951 359,854 179,927 539,782 269,891 809,674 404,837 1,214,512 607,256 303,628 151,814 75,907 227,722 113,861 341,584 170,792 85,396 42,698 21,349 64,048 32,024 16,012 8,006 4,003 12,010 6,005 18,016 9,008 4,504 2,252 1,126 563 1,690 845 2,536 1,268

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