3 × 7² × 811

Prime Factor Structure

Factorization String 3 × 7^2 × 811

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 185,136

Proper Divisor Sum 65,919

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #119191 ← → #119227

1 3 7 21 49 147 811 2,433 5,677 17,031 39,739 119,217

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

119,217 357,652 178,826 89,413 268,240 134,120 67,060 33,530 16,765 50,296 25,148 12,574 6,287 18,862 9,431 28,294 14,147 42,442 21,221 63,664 31,832 15,916 7,958 3,979 11,938 5,969 17,908 8,954 4,477 13,432 6,716 3,358 1,679 5,038 2,519 7,558 3,779 11,338 5,669 17,008 8,504 4,252 2,126 1,063 3,190 1,595 4,786 2,393 7,180 3,590 1,795 5,386 2,693 8,080 4,040 2,020 1,010 505 1,516 758

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