3² × 7² × 181

Prime Factor Structure

Factorization String 3^2 × 7^2 × 181

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 18

Divisor Sum (σ) 134,862

Proper Divisor Sum 55,041

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #79817 ← → #79823

1 3 7 9 21 49 63 147 181 441 543 1,267 1,629 3,801 8,869 11,403 26,607 79,821

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

79,821 239,464 119,732 59,866 29,933 89,800 44,900 22,450 11,225 33,676 16,838 8,419 25,258 12,629 37,888 18,944 9,472 4,736 2,368 1,184 592 296 148 74 37 112 56 28 14 7 22 11 34 17 52 26 13 40 20 10 5 16 8 4 2 1

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