2 × 13 × 71 × 2161

Prime Factor Structure

Factorization String 2 × 13 × 71 × 2161

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 6,537,888

Proper Divisor Sum 2,548,682

Digit Sum / Digital Root 37 (Root: 1)

Adjacent Primes #3989191 ← → #3989233

1 2 13 26 71 142 923 1,846 2,161 4,322 28,093 56,186 153,431 306,862 1,994,603 3,989,206

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

3,989,206 1,994,603 5,983,810 2,991,905 8,975,716 4,487,858 2,243,929 6,731,788 3,365,894 1,682,947 5,048,842 2,524,421 7,573,264 3,786,632 1,893,316 946,658 473,329 1,419,988 709,994 354,997 1,064,992 532,496 266,248 133,124 66,562 33,281 99,844 49,922 24,961 74,884 37,442 18,721 56,164 28,082 14,041 42,124 21,062 10,531 31,594 15,797 47,392 23,696 11,848 5,924 2,962 1,481 4,444 2,222 1,111 3,334 1,667 5,002 2,501 7,504 3,752 1,876 938 469 1,408 704

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