3 × 13 × 51721

Prime Factor Structure

Factorization String 3 × 13 × 51721

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 2,896,432

Proper Divisor Sum 879,313

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #2017109 ← → #2017121

1 3 13 39 51,721 155,163 672,373 2,017,119

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

2,017,119 6,051,358 3,025,679 9,077,038 4,538,519 13,615,558 6,807,779 20,423,338 10,211,669 30,635,008 15,317,504 7,658,752 3,829,376 1,914,688 957,344 478,672 239,336 119,668 59,834 29,917 89,752 44,876 22,438 11,219 33,658 16,829 50,488 25,244 12,622 6,311 18,934 9,467 28,402 14,201 42,604 21,302 10,651 31,954 15,977 47,932 23,966 11,983 35,950 17,975 53,926 26,963 80,890 40,445 121,336 60,668 30,334 15,167 45,502 22,751 68,254 34,127 102,382 51,191 153,574 76,787

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