5 × 13 × 19 × 397

Prime Factor Structure

Factorization String 5 × 13 × 19 × 397

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 668,640

Proper Divisor Sum 178,345

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #490283 ← → #490309

1 5 13 19 65 95 247 397 1,235 1,985 5,161 7,543 25,805 37,715 98,059 490,295

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

490,295 1,470,886 735,443 2,206,330 1,103,165 3,309,496 1,654,748 827,374 413,687 1,241,062 620,531 1,861,594 930,797 2,792,392 1,396,196 698,098 349,049 1,047,148 523,574 261,787 785,362 392,681 1,178,044 589,022 294,511 883,534 441,767 1,325,302 662,651 1,987,954 993,977 2,981,932 1,490,966 745,483 2,236,450 1,118,225 3,354,676 1,677,338 838,669 2,516,008 1,258,004 629,002 314,501 943,504 471,752 235,876 117,938 58,969 176,908 88,454 44,227 132,682 66,341 199,024 99,512 49,756 24,878 12,439 37,318 18,659

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