2⁵ × 661

Prime Factor Structure

Factorization String 2^5 × 661

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 41,706

Proper Divisor Sum 20,554

Digit Sum / Digital Root 11 (Root: 2)

Adjacent Primes #21149 ← → #21157

1 2 4 8 16 32 661 1,322 2,644 5,288 10,576 21,152

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

21,152 10,576 5,288 2,644 1,322 661 1,984 992 496 248 124 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 1,780 890 445 1,336 668 334 167 502 251 754 377 1,132 566 283 850

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