3 × 19 × 661 × 751

Prime Factor Structure

Factorization String 3 × 19 × 661 × 751

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 39,825,920

Proper Divisor Sum 11,530,493

Digit Sum / Digital Root 39 (Root: 3)

Adjacent Primes #28295383 ← → #28295431

1 3 19 57 661 751 1,983 2,253 12,559 14,269 37,677 42,807 496,411 1,489,233 9,431,809 28,295,427

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

28,295,427 84,886,282 42,443,141 127,329,424 63,664,712 31,832,356 15,916,178 7,958,089 23,874,268 11,937,134 5,968,567 17,905,702 8,952,851 26,858,554 13,429,277 40,287,832 20,143,916 10,071,958 5,035,979 15,107,938 7,553,969 22,661,908 11,330,954 5,665,477 16,996,432 8,498,216 4,249,108 2,124,554 1,062,277 3,186,832 1,593,416 796,708 398,354 199,177 597,532 298,766 149,383 448,150 224,075 672,226 336,113 1,008,340 504,170 252,085 756,256 378,128 189,064 94,532 47,266 23,633 70,900 35,450 17,725 53,176 26,588 13,294 6,647 19,942 9,971 29,914

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