2² × 5 × 11 × 199

Prime Factor Structure

Factorization String 2^2 × 5 × 11 × 199

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 100,800

Proper Divisor Sum 57,020

Digit Sum / Digital Root 22 (Root: 4)

Adjacent Primes #43777 ← → #43781

1 2 4 5 10 11 20 22 44 55 110 199 220 398 796 995 1,990 2,189 3,980 4,378 8,756 10,945 21,890 43,780

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

43,780 21,890 10,945 32,836 16,418 8,209 24,628 12,314 6,157 18,472 9,236 4,618 2,309 6,928 3,464 1,732 866 433 1,300 650 325 976 488 244 122 61 184 92 46 23 70 35 106 53 160 80 40 20 10 5 16 8 4 2 1

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