43 × 139 × 3221

Prime Factor Structure

Factorization String 43 × 139 × 3221

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 19,847,520

Proper Divisor Sum 595,603

Digit Sum / Digital Root 35 (Root: 8)

Adjacent Primes #19251901 ← → #19251929

1 43 139 3,221 5,977 138,503 447,719 19,251,917

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

19,251,917 57,755,752 28,877,876 14,438,938 7,219,469 21,658,408 10,829,204 5,414,602 2,707,301 8,121,904 4,060,952 2,030,476 1,015,238 507,619 1,522,858 761,429 2,284,288 1,142,144 571,072 285,536 142,768 71,384 35,692 17,846 8,923 26,770 13,385 40,156 20,078 10,039 30,118 15,059 45,178 22,589 67,768 33,884 16,942 8,471 25,414 12,707 38,122 19,061 57,184 28,592 14,296 7,148 3,574 1,787 5,362 2,681 8,044 4,022 2,011 6,034 3,017 9,052 4,526 2,263 6,790 3,395

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