2 × 3² × 11 × 31 × 1997

Prime Factor Structure

Factorization String 2 × 3^2 × 11 × 31 × 1997

Distinct Prime Factors 5

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 48

Divisor Sum (σ) 29,922,048

Proper Divisor Sum 17,664,462

Digit Sum / Digital Root 36 (Root: 9)

Adjacent Primes #12257573 ← → #12257587

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

12,257,586 6,128,793 18,386,380 9,193,190 4,596,595 13,789,786 6,894,893 20,684,680 10,342,340 5,171,170 2,585,585 7,756,756 3,878,378 1,939,189 5,817,568 2,908,784 1,454,392 727,196 363,598 181,799 545,398 272,699 818,098 409,049 1,227,148 613,574 306,787 920,362 460,181 1,380,544 690,272 345,136 172,568 86,284 43,142 21,571 64,714 32,357 97,072 48,536 24,268 12,134 6,067 18,202 9,101 27,304 13,652 6,826 3,413 10,240 5,120 2,560 1,280 640 320 160 80 40 20 10

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