1,800,531

3² × 37 × 5407

Prime Factor Structure

Factorization String 3^2 × 37 × 5407

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Total Divisors 12

Divisor Sum (σ) 2,671,552

Proper Divisor Sum 871,021

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #1800529 ← → #1800541

1 3 9 37 111 333 5,407 16,221 48,663 200,059 600,177 1,800,531

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

1,800,531 5,401,594 2,700,797 8,102,392 4,051,196 2,025,598 1,012,799 3,038,398 1,519,199 4,557,598 2,278,799 6,836,398 3,418,199 10,254,598 5,127,299 15,381,898 7,690,949 23,072,848 11,536,424 5,768,212 2,884,106 1,442,053 4,326,160 2,163,080 1,081,540 540,770 270,385 811,156 405,578 202,789 608,368 304,184 152,092 76,046 38,023 114,070 57,035 171,106 85,553 256,660 128,330 64,165 192,496 96,248 48,124 24,062 12,031 36,094 18,047 54,142 27,071 81,214 40,607 121,822 60,911 182,734 91,367 274,102 137,051 411,154

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