2² × 5 × 32401

Prime Factor Structure

Factorization String 2^2 × 5 × 32401

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 1,360,884

Proper Divisor Sum 712,864

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #648019 ← → #648029

1 2 4 5 10 20 32,401 64,802 129,604 162,005 324,010 648,020

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

648,020 324,010 162,005 486,016 243,008 121,504 60,752 30,376 15,188 7,594 3,797 11,392 5,696 2,848 1,424 712 356 178 89 268 134 67 202 101 304 152 76 38 19 58 29 88 44 22 11 34 17 52 26 13 40 20 10 5 16 8 4 2 1

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