2 × 3² × 1171

Prime Factor Structure

Factorization String 2 × 3^2 × 1171

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 45,708

Proper Divisor Sum 24,630

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #21067 ← → #21089

1 2 3 6 9 18 1,171 2,342 3,513 7,026 10,539 21,078

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

21,078 10,539 31,618 15,809 47,428 23,714 11,857 35,572 17,786 8,893 26,680 13,340 6,670 3,335 10,006 5,003 15,010 7,505 22,516 11,258 5,629 16,888 8,444 4,222 2,111 6,334 3,167 9,502 4,751 14,254 7,127 21,382 10,691 32,074 16,037 48,112 24,056 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 19,273 57,820 28,910

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