7 × 21191

Prime Factor Structure

Factorization String 7 × 21191

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 169,536

Proper Divisor Sum 21,199

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #148331 ← → #148339

1 7 21,191 148,337

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

148,337 445,012 222,506 111,253 333,760 166,880 83,440 41,720 20,860 10,430 5,215 15,646 7,823 23,470 11,735 35,206 17,603 52,810 26,405 79,216 39,608 19,804 9,902 4,951 14,854 7,427 22,282 11,141 33,424 16,712 8,356 4,178 2,089 6,268 3,134 1,567 4,702 2,351 7,054 3,527 10,582 5,291 15,874 7,937 23,812 11,906 5,953 17,860 8,930 4,465 13,396 6,698 3,349 10,048 5,024 2,512 1,256 628 314 157

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