2² × 13² × 19

Prime Factor Structure

Factorization String 2^2 × 13^2 × 19

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 18

Divisor Sum (σ) 25,620

Proper Divisor Sum 12,776

Digit Sum / Digital Root 19 (Root: 1)

Adjacent Primes #12841 ← → #12853

1 2 4 13 19 26 38 52 76 169 247 338 494 676 988 3,211 6,422 12,844

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

12,844 6,422 3,211 9,634 4,817 14,452 7,226 3,613 10,840 5,420 2,710 1,355 4,066 2,033 6,100 3,050 1,525 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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