7 × 13 × 43 × 409

Prime Factor Structure

Factorization String 7 × 13 × 43 × 409

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 2,020,480

Proper Divisor Sum 420,063

Digit Sum / Digital Root 19 (Root: 1)

Adjacent Primes #1600393 ← → #1600421

1 7 13 43 91 301 409 559 2,863 3,913 5,317 17,587 37,219 123,109 228,631 1,600,417

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

1,600,417 4,801,252 2,400,626 1,200,313 3,600,940 1,800,470 900,235 2,700,706 1,350,353 4,051,060 2,025,530 1,012,765 3,038,296 1,519,148 759,574 379,787 1,139,362 569,681 1,709,044 854,522 427,261 1,281,784 640,892 320,446 160,223 480,670 240,335 721,006 360,503 1,081,510 540,755 1,622,266 811,133 2,433,400 1,216,700 608,350 304,175 912,526 456,263 1,368,790 684,395 2,053,186 1,026,593 3,079,780 1,539,890 769,945 2,309,836 1,154,918 577,459 1,732,378 866,189 2,598,568 1,299,284 649,642 324,821 974,464 487,232 243,616 121,808 60,904

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