7 × 17 × 67 × 521

Prime Factor Structure

Factorization String 7 × 17 × 67 × 521

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 5,111,424

Proper Divisor Sum 957,491

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #4153927 ← → #4153943

1 7 17 67 119 469 521 1,139 3,647 7,973 8,857 34,907 61,999 244,349 593,419 4,153,933

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

4,153,933 12,461,800 6,230,900 3,115,450 1,557,725 4,673,176 2,336,588 1,168,294 584,147 1,752,442 876,221 2,628,664 1,314,332 657,166 328,583 985,750 492,875 1,478,626 739,313 2,217,940 1,108,970 554,485 1,663,456 831,728 415,864 207,932 103,966 51,983 155,950 77,975 233,926 116,963 350,890 175,445 526,336 263,168 131,584 65,792 32,896 16,448 8,224 4,112 2,056 1,028 514 257 772 386 193 580 290 145 436 218 109 328 164 82 41 124

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