2 × 5² × 257

Prime Factor Structure

Factorization String 2 × 5^2 × 257

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 23,994

Proper Divisor Sum 11,144

Digit Sum / Digital Root 16 (Root: 7)

Adjacent Primes #12841 ← → #12853

1 2 5 10 25 50 257 514 1,285 2,570 6,425 12,850

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

12,850 6,425 19,276 9,638 4,819 14,458 7,229 21,688 10,844 5,422 2,711 8,134 4,067 12,202 6,101 18,304 9,152 4,576 2,288 1,144 572 286 143 430 215 646 323 970 485 1,456 728 364 182 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

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