13 × 17 × 131

Prime Factor Structure

Factorization String 13 × 17 × 131

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 33,264

Proper Divisor Sum 4,313

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #28949 ← → #28961

1 13 17 131 221 1,703 2,227 28,951

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

28,951 86,854 43,427 130,282 65,141 195,424 97,712 48,856 24,428 12,214 6,107 18,322 9,161 27,484 13,742 6,871 20,614 10,307 30,922 15,461 46,384 23,192 11,596 5,798 2,899 8,698 4,349 13,048 6,524 3,262 1,631 4,894 2,447 7,342 3,671 11,014 5,507 16,522 8,261 24,784 12,392 6,196 3,098 1,549 4,648 2,324 1,162 581 1,744 872 436 218 109 328 164 82 41 124 62 31

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