13 × 31 × 43 × 257

Prime Factor Structure

Factorization String 13 × 31 × 43 × 257

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 5,085,696

Proper Divisor Sum 632,143

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #4453517 ← → #4453567

1 13 31 43 257 403 559 1,333 3,341 7,967 11,051 17,329 103,571 143,663 342,581 4,453,553

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

4,453,553 13,360,660 6,680,330 3,340,165 10,020,496 5,010,248 2,505,124 1,252,562 626,281 1,878,844 939,422 469,711 1,409,134 704,567 2,113,702 1,056,851 3,170,554 1,585,277 4,755,832 2,377,916 1,188,958 594,479 1,783,438 891,719 2,675,158 1,337,579 4,012,738 2,006,369 6,019,108 3,009,554 1,504,777 4,514,332 2,257,166 1,128,583 3,385,750 1,692,875 5,078,626 2,539,313 7,617,940 3,808,970 1,904,485 5,713,456 2,856,728 1,428,364 714,182 357,091 1,071,274 535,637 1,606,912 803,456 401,728 200,864 100,432 50,216 25,108 12,554 6,277 18,832 9,416 4,708

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