13 × 23 × 31 × 421

Prime Factor Structure

Factorization String 13 × 23 × 31 × 421

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 4,537,344

Proper Divisor Sum 635,095

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #3902243 ← → #3902263

1 13 23 31 299 403 421 713 5,473 9,269 9,683 13,051 125,879 169,663 300,173 3,902,249

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

3,902,249 11,706,748 5,853,374 2,926,687 8,780,062 4,390,031 13,170,094 6,585,047 19,755,142 9,877,571 29,632,714 14,816,357 44,449,072 22,224,536 11,112,268 5,556,134 2,778,067 8,334,202 4,167,101 12,501,304 6,250,652 3,125,326 1,562,663 4,687,990 2,343,995 7,031,986 3,515,993 10,547,980 5,273,990 2,636,995 7,910,986 3,955,493 11,866,480 5,933,240 2,966,620 1,483,310 741,655 2,224,966 1,112,483 3,337,450 1,668,725 5,006,176 2,503,088 1,251,544 625,772 312,886 156,443 469,330 234,665 703,996 351,998 175,999 527,998 263,999 791,998 395,999 1,187,998 593,999 1,781,998 890,999

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