3 × 17² × 19²

Prime Factor Structure

Factorization String 3 × 17^2 × 19^2

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 18

Divisor Sum (σ) 467,868

Proper Divisor Sum 154,881

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #312979 ← → #312989

1 3 17 19 51 57 289 323 361 867 969 1,083 5,491 6,137 16,473 18,411 104,329 312,987

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

312,987 938,962 469,481 1,408,444 704,222 352,111 1,056,334 528,167 1,584,502 792,251 2,376,754 1,188,377 3,565,132 1,782,566 891,283 2,673,850 1,336,925 4,010,776 2,005,388 1,002,694 501,347 1,504,042 752,021 2,256,064 1,128,032 564,016 282,008 141,004 70,502 35,251 105,754 52,877 158,632 79,316 39,658 19,829 59,488 29,744 14,872 7,436 3,718 1,859 5,578 2,789 8,368 4,184 2,092 1,046 523 1,570 785 2,356 1,178 589 1,768 884 442 221 664 332

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