13 × 21481

Prime Factor Structure

Factorization String 13 × 21481

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 300,748

Proper Divisor Sum 21,495

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #279221 ← → #279269

1 13 21,481 279,253

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

279,253 837,760 418,880 209,440 104,720 52,360 26,180 13,090 6,545 19,636 9,818 4,909 14,728 7,364 3,682 1,841 5,524 2,762 1,381 4,144 2,072 1,036 518 259 778 389 1,168 584 292 146 73 220 110 55 166 83 250 125 376 188 94 47 142 71 214 107 322 161 484 242 121 364 182 91 274 137 412 206 103 310

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