810,261

3² × 197 × 457

Prime Factor Structure

Factorization String 3^2 × 197 × 457

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Total Divisors 12

Divisor Sum (σ) 1,178,892

Proper Divisor Sum 368,631

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #810259 ← → #810269

1 3 9 197 457 591 1,371 1,773 4,113 90,029 270,087 810,261

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

810,261 2,430,784 1,215,392 607,696 303,848 151,924 75,962 37,981 113,944 56,972 28,486 14,243 42,730 21,365 64,096 32,048 16,024 8,012 4,006 2,003 6,010 3,005 9,016 4,508 2,254 1,127 3,382 1,691 5,074 2,537 7,612 3,806 1,903 5,710 2,855 8,566 4,283 12,850 6,425 19,276 9,638 4,819 14,458 7,229 21,688 10,844 5,422 2,711 8,134 4,067 12,202 6,101 18,304 9,152 4,576 2,288 1,144 572 286 143

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