13 × 2161

Prime Factor Structure

Factorization String 13 × 2161

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 30,268

Proper Divisor Sum 2,175

Digit Sum / Digital Root 22 (Root: 4)

Adjacent Primes #28087 ← → #28097

1 13 2,161 28,093

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

28,093 84,280 42,140 21,070 10,535 31,606 15,803 47,410 23,705 71,116 35,558 17,779 53,338 26,669 80,008 40,004 20,002 10,001 30,004 15,002 7,501 22,504 11,252 5,626 2,813 8,440 4,220 2,110 1,055 3,166 1,583 4,750 2,375 7,126 3,563 10,690 5,345 16,036 8,018 4,009 12,028 6,014 3,007 9,022 4,511 13,534 6,767 20,302 10,151 30,454 15,227 45,682 22,841 68,524 34,262 17,131 51,394 25,697 77,092 38,546

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