2³ × 13 × 641

Prime Factor Structure

Factorization String 2^3 × 13 × 641

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 134,820

Proper Divisor Sum 68,156

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #66653 ← → #66683

1 2 4 8 13 26 52 104 641 1,282 2,564 5,128 8,333 16,666 33,332 66,664

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

66,664 33,332 16,666 8,333 25,000 12,500 6,250 3,125 9,376 4,688 2,344 1,172 586 293 880 440 220 110 55 166 83 250 125 376 188 94 47 142 71 214 107 322 161 484 242 121 364 182 91 274 137 412 206 103 310 155 466 233 700 350 175 526 263 790 395 1,186 593 1,780 890 445

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