13² × 53 × 443

Prime Factor Structure

Factorization String 13^2 × 53 × 443

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 4,387,608

Proper Divisor Sum 419,657

Digit Sum / Digital Root 40 (Root: 4)

Adjacent Primes #3967913 ← → #3967961

1 13 53 169 443 689 5,759 8,957 23,479 74,867 305,227 3,967,951

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

3,967,951 11,903,854 5,951,927 17,855,782 8,927,891 26,783,674 13,391,837 40,175,512 20,087,756 10,043,878 5,021,939 15,065,818 7,532,909 22,598,728 11,299,364 5,649,682 2,824,841 8,474,524 4,237,262 2,118,631 6,355,894 3,177,947 9,533,842 4,766,921 14,300,764 7,150,382 3,575,191 10,725,574 5,362,787 16,088,362 8,044,181 24,132,544 12,066,272 6,033,136 3,016,568 1,508,284 754,142 377,071 1,131,214 565,607 1,696,822 848,411 2,545,234 1,272,617 3,817,852 1,908,926 954,463 2,863,390 1,431,695 4,295,086 2,147,543 6,442,630 3,221,315 9,663,946 4,831,973 14,495,920 7,247,960 3,623,980 1,811,990 905,995

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