2² × 5 × 47 × 71

Prime Factor Structure

Factorization String 2^2 × 5 × 47 × 71

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 145,152

Proper Divisor Sum 78,412

Digit Sum / Digital Root 23 (Root: 5)

Adjacent Primes #66739 ← → #66749

1 2 4 5 10 20 47 71 94 142 188 235 284 355 470 710 940 1,420 3,337 6,674 13,348 16,685 33,370 66,740

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

66,740 33,370 16,685 50,056 25,028 12,514 6,257 18,772 9,386 4,693 14,080 7,040 3,520 1,760 880 440 220 110 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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