3 × 7 × 23 × 821

Prime Factor Structure

Factorization String 3 × 7 × 23 × 821

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 631,296

Proper Divisor Sum 234,753

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #396541 ← → #396547

1 3 7 21 23 69 161 483 821 2,463 5,747 17,241 18,883 56,649 132,181 396,543

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

396,543 1,189,630 594,815 1,784,446 892,223 2,676,670 1,338,335 4,015,006 2,007,503 6,022,510 3,011,255 9,033,766 4,516,883 13,550,650 6,775,325 20,325,976 10,162,988 5,081,494 2,540,747 7,622,242 3,811,121 11,433,364 5,716,682 2,858,341 8,575,024 4,287,512 2,143,756 1,071,878 535,939 1,607,818 803,909 2,411,728 1,205,864 602,932 301,466 150,733 452,200 226,100 113,050 56,525 169,576 84,788 42,394 21,197 63,592 31,796 15,898 7,949 23,848 11,924 5,962 2,981 8,944 4,472 2,236 1,118 559 1,678 839 2,518

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