13² × 19 × 109

Prime Factor Structure

Factorization String 13^2 × 19 × 109

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 402,600

Proper Divisor Sum 52,601

Digit Sum / Digital Root 43 (Root: 7)

Adjacent Primes #349981 ← → #350003

1 13 19 109 169 247 1,417 2,071 3,211 18,421 26,923 349,999

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

349,999 1,049,998 524,999 1,574,998 787,499 2,362,498 1,181,249 3,543,748 1,771,874 885,937 2,657,812 1,328,906 664,453 1,993,360 996,680 498,340 249,170 124,585 373,756 186,878 93,439 280,318 140,159 420,478 210,239 630,718 315,359 946,078 473,039 1,419,118 709,559 2,128,678 1,064,339 3,193,018 1,596,509 4,789,528 2,394,764 1,197,382 598,691 1,796,074 898,037 2,694,112 1,347,056 673,528 336,764 168,382 84,191 252,574 126,287 378,862 189,431 568,294 284,147 852,442 426,221 1,278,664 639,332 319,666 159,833 479,500

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