3 × 7 × 19 × 1999

Prime Factor Structure

Factorization String 3 × 7 × 19 × 1999

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,280,000

Proper Divisor Sum 482,399

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #797593 ← → #797611

1 3 7 19 21 57 133 399 1,999 5,997 13,993 37,981 41,979 113,943 265,867 797,601

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

797,601 2,392,804 1,196,402 598,201 1,794,604 897,302 448,651 1,345,954 672,977 2,018,932 1,009,466 504,733 1,514,200 757,100 378,550 189,275 567,826 283,913 851,740 425,870 212,935 638,806 319,403 958,210 479,105 1,437,316 718,658 359,329 1,077,988 538,994 269,497 808,492 404,246 202,123 606,370 303,185 909,556 454,778 227,389 682,168 341,084 170,542 85,271 255,814 127,907 383,722 191,861 575,584 287,792 143,896 71,948 35,974 17,987 53,962 26,981 80,944 40,472 20,236 10,118 5,059

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