2³ × 5 × 491

Prime Factor Structure

Factorization String 2^3 × 5 × 491

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 44,280

Proper Divisor Sum 24,640

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #19609 ← → #19661

1 2 4 5 8 10 20 40 491 982 1,964 2,455 3,928 4,910 9,820 19,640

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

19,640 9,820 4,910 2,455 7,366 3,683 11,050 5,525 16,576 8,288 4,144 2,072 1,036 518 259 778 389 1,168 584 292 146 73 220 110 55 166 83 250 125 376 188 94 47 142 71 214 107 322 161 484 242 121 364 182 91 274 137 412 206 103 310 155 466 233 700 350 175 526 263 790

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