3 × 7 × 19 × 9973

Prime Factor Structure

Factorization String 3 × 7 × 19 × 9973

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 6,383,360

Proper Divisor Sum 2,404,133

Digit Sum / Digital Root 39 (Root: 3)

Adjacent Primes #3979219 ← → #3979229

1 3 7 19 21 57 133 399 9,973 29,919 69,811 189,487 209,433 568,461 1,326,409 3,979,227

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

3,979,227 11,937,682 5,968,841 17,906,524 8,953,262 4,476,631 13,429,894 6,714,947 20,144,842 10,072,421 30,217,264 15,108,632 7,554,316 3,777,158 1,888,579 5,665,738 2,832,869 8,498,608 4,249,304 2,124,652 1,062,326 531,163 1,593,490 796,745 2,390,236 1,195,118 597,559 1,792,678 896,339 2,689,018 1,344,509 4,033,528 2,016,764 1,008,382 504,191 1,512,574 756,287 2,268,862 1,134,431 3,403,294 1,701,647 5,104,942 2,552,471 7,657,414 3,828,707 11,486,122 5,743,061 17,229,184 8,614,592 4,307,296 2,153,648 1,076,824 538,412 269,206 134,603 403,810 201,905 605,716 302,858 151,429

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