2 × 3 × 71 × 991

Prime Factor Structure

Factorization String 2 × 3 × 71 × 991

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 857,088

Proper Divisor Sum 434,922

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #422141 ← → #422183

1 2 3 6 71 142 213 426 991 1,982 2,973 5,946 70,361 140,722 211,083 422,166

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

422,166 211,083 633,250 316,625 949,876 474,938 237,469 712,408 356,204 178,102 89,051 267,154 133,577 400,732 200,366 100,183 300,550 150,275 450,826 225,413 676,240 338,120 169,060 84,530 42,265 126,796 63,398 31,699 95,098 47,549 142,648 71,324 35,662 17,831 53,494 26,747 80,242 40,121 120,364 60,182 30,091 90,274 45,137 135,412 67,706 33,853 101,560 50,780 25,390 12,695 38,086 19,043 57,130 28,565 85,696 42,848 21,424 10,712 5,356 2,678

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