2 × 13 × 113 × 139

Prime Factor Structure

Factorization String 2 × 13 × 113 × 139

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 670,320

Proper Divisor Sum 261,938

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #408379 ← → #408389

1 2 13 26 113 139 226 278 1,469 1,807 2,938 3,614 15,707 31,414 204,191 408,382

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

408,382 204,191 612,574 306,287 918,862 459,431 1,378,294 689,147 2,067,442 1,033,721 3,101,164 1,550,582 775,291 2,325,874 1,162,937 3,488,812 1,744,406 872,203 2,616,610 1,308,305 3,924,916 1,962,458 981,229 2,943,688 1,471,844 735,922 367,961 1,103,884 551,942 275,971 827,914 413,957 1,241,872 620,936 310,468 155,234 77,617 232,852 116,426 58,213 174,640 87,320 43,660 21,830 10,915 32,746 16,373 49,120 24,560 12,280 6,140 3,070 1,535 4,606 2,303 6,910 3,455 10,366 5,183 15,550

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