3 × 5² × 211

Prime Factor Structure

Factorization String 3 × 5^2 × 211

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 26,288

Proper Divisor Sum 10,463

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #15823 ← → #15859

1 3 5 15 25 75 211 633 1,055 3,165 5,275 15,825

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

15,825 47,476 23,738 11,869 35,608 17,804 8,902 4,451 13,354 6,677 20,032 10,016 5,008 2,504 1,252 626 313 940 470 235 706 353 1,060 530 265 796 398 199 598 299 898 449 1,348 674 337 1,012 506 253 760 380 190 95 286 143 430 215 646 323 970 485 1,456 728 364 182 91 274 137 412 206 103

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