2 × 11² × 2647

Prime Factor Structure

Factorization String 2 × 11^2 × 2647

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 1,056,552

Proper Divisor Sum 415,978

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #640531 ← → #640579

1 2 11 22 121 242 2,647 5,294 29,117 58,234 320,287 640,574

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

640,574 320,287 960,862 480,431 1,441,294 720,647 2,161,942 1,080,971 3,242,914 1,621,457 4,864,372 2,432,186 1,216,093 3,648,280 1,824,140 912,070 456,035 1,368,106 684,053 2,052,160 1,026,080 513,040 256,520 128,260 64,130 32,065 96,196 48,098 24,049 72,148 36,074 18,037 54,112 27,056 13,528 6,764 3,382 1,691 5,074 2,537 7,612 3,806 1,903 5,710 2,855 8,566 4,283 12,850 6,425 19,276 9,638 4,819 14,458 7,229 21,688 10,844 5,422 2,711 8,134 4,067

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