13 × 17 × 37 × 61

Prime Factor Structure

Factorization String 13 × 17 × 37 × 61

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 593,712

Proper Divisor Sum 94,915

Digit Sum / Digital Root 44 (Root: 8)

Adjacent Primes #498791 ← → #498803

1 13 17 37 61 221 481 629 793 1,037 2,257 8,177 13,481 29,341 38,369 498,797

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

498,797 1,496,392 748,196 374,098 187,049 561,148 280,574 140,287 420,862 210,431 631,294 315,647 946,942 473,471 1,420,414 710,207 2,130,622 1,065,311 3,195,934 1,597,967 4,793,902 2,396,951 7,190,854 3,595,427 10,786,282 5,393,141 16,179,424 8,089,712 4,044,856 2,022,428 1,011,214 505,607 1,516,822 758,411 2,275,234 1,137,617 3,412,852 1,706,426 853,213 2,559,640 1,279,820 639,910 319,955 959,866 479,933 1,439,800 719,900 359,950 179,975 539,926 269,963 809,890 404,945 1,214,836 607,418 303,709 911,128 455,564 227,782 113,891

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