2⁵ × 5² × 661

Prime Factor Structure

Factorization String 2^5 × 5^2 × 661

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 36

Divisor Sum (σ) 1,292,886

Proper Divisor Sum 764,086

Digit Sum / Digital Root 23 (Root: 5)

Adjacent Primes #528799 ← → #528811

1 2 4 5 8 10 16 20 25 32 40 50 80 100 160 200 400 661 800 1,322 2,644 3,305 5,288 6,610 10,576 13,220 16,525 21,152 26,440 33,050 52,880 66,100 105,760 132,200 264,400 528,800

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

528,800 264,400 132,200 66,100 33,050 16,525 49,576 24,788 12,394 6,197 18,592 9,296 4,648 2,324 1,162 581 1,744 872 436 218 109 328 164 82 41 124 62 31 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

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