3 × 13 × 53 × 67

Prime Factor Structure

Factorization String 3 × 13 × 53 × 67

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 205,632

Proper Divisor Sum 67,143

Digit Sum / Digital Root 33 (Root: 6)

Adjacent Primes #138469 ← → #138493

1 3 13 39 53 67 159 201 689 871 2,067 2,613 3,551 10,653 46,163 138,489

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

138,489 415,468 207,734 103,867 311,602 155,801 467,404 233,702 116,851 350,554 175,277 525,832 262,916 131,458 65,729 197,188 98,594 49,297 147,892 73,946 36,973 110,920 55,460 27,730 13,865 41,596 20,798 10,399 31,198 15,599 46,798 23,399 70,198 35,099 105,298 52,649 157,948 78,974 39,487 118,462 59,231 177,694 88,847 266,542 133,271 399,814 199,907 599,722 299,861 899,584 449,792 224,896 112,448 56,224 28,112 14,056 7,028 3,514 1,757 5,272

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