2 × 3² × 21799

Prime Factor Structure

Factorization String 2 × 3^2 × 21799

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 850,200

Proper Divisor Sum 457,818

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #392363 ← → #392383

1 2 3 6 9 18 21,799 43,598 65,397 130,794 196,191 392,382

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

392,382 196,191 588,574 294,287 882,862 441,431 1,324,294 662,147 1,986,442 993,221 2,979,664 1,489,832 744,916 372,458 186,229 558,688 279,344 139,672 69,836 34,918 17,459 52,378 26,189 78,568 39,284 19,642 9,821 29,464 14,732 7,366 3,683 11,050 5,525 16,576 8,288 4,144 2,072 1,036 518 259 778 389 1,168 584 292 146 73 220 110 55 166 83 250 125 376 188 94 47 142 71

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