5 × 17 × 43 × 821

Prime Factor Structure

Factorization String 5 × 17 × 43 × 821

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 3,906,144

Proper Divisor Sum 905,389

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #3000743 ← → #3000757

1 5 17 43 85 215 731 821 3,655 4,105 13,957 35,303 69,785 176,515 600,151 3,000,755

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

3,000,755 9,002,266 4,501,133 13,503,400 6,751,700 3,375,850 1,687,925 5,063,776 2,531,888 1,265,944 632,972 316,486 158,243 474,730 237,365 712,096 356,048 178,024 89,012 44,506 22,253 66,760 33,380 16,690 8,345 25,036 12,518 6,259 18,778 9,389 28,168 14,084 7,042 3,521 10,564 5,282 2,641 7,924 3,962 1,981 5,944 2,972 1,486 743 2,230 1,115 3,346 1,673 5,020 2,510 1,255 3,766 1,883 5,650 2,825 8,476 4,238 2,119 6,358 3,179

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