13 × 1429 × 4373

Prime Factor Structure

Factorization String 13 × 1429 × 4373

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 87,567,480

Proper Divisor Sum 6,330,259

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #81237187 ← → #81237223

1 13 1,429 4,373 18,577 56,849 6,249,017 81,237,221

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

81,237,221 243,711,664 121,855,832 60,927,916 30,463,958 15,231,979 45,695,938 22,847,969 68,543,908 34,271,954 17,135,977 51,407,932 25,703,966 12,851,983 38,555,950 19,277,975 57,833,926 28,916,963 86,750,890 43,375,445 130,126,336 65,063,168 32,531,584 16,265,792 8,132,896 4,066,448 2,033,224 1,016,612 508,306 254,153 762,460 381,230 190,615 571,846 285,923 857,770 428,885 1,286,656 643,328 321,664 160,832 80,416 40,208 20,104 10,052 5,026 2,513 7,540 3,770 1,885 5,656 2,828 1,414 707 2,122 1,061 3,184 1,592 796 398

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