3 × 13 × 397 × 881

Prime Factor Structure

Factorization String 3 × 13 × 397 × 881

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 19,658,016

Proper Divisor Sum 6,017,493

Digit Sum / Digital Root 24 (Root: 6)

Adjacent Primes #13640521 ← → #13640533

1 3 13 39 397 881 1,191 2,643 5,161 11,453 15,483 34,359 349,757 1,049,271 4,546,841 13,640,523

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

13,640,523 40,921,570 20,460,785 61,382,356 30,691,178 15,345,589 46,036,768 23,018,384 11,509,192 5,754,596 2,877,298 1,438,649 4,315,948 2,157,974 1,078,987 3,236,962 1,618,481 4,855,444 2,427,722 1,213,861 3,641,584 1,820,792 910,396 455,198 227,599 682,798 341,399 1,024,198 512,099 1,536,298 768,149 2,304,448 1,152,224 576,112 288,056 144,028 72,014 36,007 108,022 54,011 162,034 81,017 243,052 121,526 60,763 182,290 91,145 273,436 136,718 68,359 205,078 102,539 307,618 153,809 461,428 230,714 115,357 346,072 173,036 86,518

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