2 × 11² × 571

Prime Factor Structure

Factorization String 2 × 11^2 × 571

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 228,228

Proper Divisor Sum 90,046

Digit Sum / Digital Root 23 (Root: 5)

Adjacent Primes #138181 ← → #138191

1 2 11 22 121 242 571 1,142 6,281 12,562 69,091 138,182

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

138,182 69,091 207,274 103,637 310,912 155,456 77,728 38,864 19,432 9,716 4,858 2,429 7,288 3,644 1,822 911 2,734 1,367 4,102 2,051 6,154 3,077 9,232 4,616 2,308 1,154 577 1,732 866 433 1,300 650 325 976 488 244 122 61 184 92 46 23 70 35 106 53 160 80 40 20 10 5 16 8 4 2 1

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