2 × 3² × 22091

Prime Factor Structure

Factorization String 2 × 3^2 × 22091

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 861,588

Proper Divisor Sum 463,950

Digit Sum / Digital Root 36 (Root: 9)

Adjacent Primes #397633 ← → #397643

1 2 3 6 9 18 22,091 44,182 66,273 132,546 198,819 397,638

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

397,638 198,819 596,458 298,229 894,688 447,344 223,672 111,836 55,918 27,959 83,878 41,939 125,818 62,909 188,728 94,364 47,182 23,591 70,774 35,387 106,162 53,081 159,244 79,622 39,811 119,434 59,717 179,152 89,576 44,788 22,394 11,197 33,592 16,796 8,398 4,199 12,598 6,299 18,898 9,449 28,348 14,174 7,087 21,262 10,631 31,894 15,947 47,842 23,921 71,764 35,882 17,941 53,824 26,912 13,456 6,728 3,364 1,682 841 2,524

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