2 × 11 × 19 × 331

Prime Factor Structure

Factorization String 2 × 11 × 19 × 331

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 239,040

Proper Divisor Sum 100,682

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #138349 ← → #138371

1 2 11 19 22 38 209 331 418 662 3,641 6,289 7,282 12,578 69,179 138,358

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

138,358 69,179 207,538 103,769 311,308 155,654 77,827 233,482 116,741 350,224 175,112 87,556 43,778 21,889 65,668 32,834 16,417 49,252 24,626 12,313 36,940 18,470 9,235 27,706 13,853 41,560 20,780 10,390 5,195 15,586 7,793 23,380 11,690 5,845 17,536 8,768 4,384 2,192 1,096 548 274 137 412 206 103 310 155 466 233 700 350 175 526 263 790 395 1,186 593 1,780 890

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