2⁴ × 5 × 269

Prime Factor Structure

Factorization String 2^4 × 5 × 269

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 20

Divisor Sum (σ) 50,220

Proper Divisor Sum 28,700

Digit Sum / Digital Root 10 (Root: 1)

Adjacent Primes #21517 ← → #21521

1 2 4 5 8 10 16 20 40 80 269 538 1,076 1,345 2,152 2,690 4,304 5,380 10,760 21,520

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

21,520 10,760 5,380 2,690 1,345 4,036 2,018 1,009 3,028 1,514 757 2,272 1,136 568 284 142 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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