13 × 19 × 1321

Prime Factor Structure

Factorization String 13 × 19 × 1321

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 370,160

Proper Divisor Sum 43,873

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #326257 ← → #326309

1 13 19 247 1,321 17,173 25,099 326,287

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

326,287 978,862 489,431 1,468,294 734,147 2,202,442 1,101,221 3,303,664 1,651,832 825,916 412,958 206,479 619,438 309,719 929,158 464,579 1,393,738 696,869 2,090,608 1,045,304 522,652 261,326 130,663 391,990 195,995 587,986 293,993 881,980 440,990 220,495 661,486 330,743 992,230 496,115 1,488,346 744,173 2,232,520 1,116,260 558,130 279,065 837,196 418,598 209,299 627,898 313,949 941,848 470,924 235,462 117,731 353,194 176,597 529,792 264,896 132,448 66,224 33,112 16,556 8,278 4,139 12,418

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