2 × 10687

Prime Factor Structure

Factorization String 2 × 10687

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 32,064

Proper Divisor Sum 10,690

Digit Sum / Digital Root 17 (Root: 8)

Adjacent Primes #21347 ← → #21377

1 2 10,687 21,374

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

21,374 10,687 32,062 16,031 48,094 24,047 72,142 36,071 108,214 54,107 162,322 81,161 243,484 121,742 60,871 182,614 91,307 273,922 136,961 410,884 205,442 102,721 308,164 154,082 77,041 231,124 115,562 57,781 173,344 86,672 43,336 21,668 10,834 5,417 16,252 8,126 4,063 12,190 6,095 18,286 9,143 27,430 13,715 41,146 20,573 61,720 30,860 15,430 7,715 23,146 11,573 34,720 17,360 8,680 4,340 2,170 1,085 3,256 1,628 814

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