2 × 41 × 137 × 1621

Prime Factor Structure

Factorization String 2 × 41 × 137 × 1621

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 28,203,336

Proper Divisor Sum 9,993,022

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #18210307 ← → #18210317

1 2 41 82 137 274 1,621 3,242 5,617 11,234 66,461 132,922 222,077 444,154 9,105,157 18,210,314

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

18,210,314 9,105,157 27,315,472 13,657,736 6,828,868 3,414,434 1,707,217 5,121,652 2,560,826 1,280,413 3,841,240 1,920,620 960,310 480,155 1,440,466 720,233 2,160,700 1,080,350 540,175 1,620,526 810,263 2,430,790 1,215,395 3,646,186 1,823,093 5,469,280 2,734,640 1,367,320 683,660 341,830 170,915 512,746 256,373 769,120 384,560 192,280 96,140 48,070 24,035 72,106 36,053 108,160 54,080 27,040 13,520 6,760 3,380 1,690 845 2,536 1,268 634 317 952 476 238 119 358 179 538

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