3² × 11 × 13²

Prime Factor Structure

Factorization String 3^2 × 11 × 13^2

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 18

Divisor Sum (σ) 28,548

Proper Divisor Sum 11,817

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #16729 ← → #16741

1 3 9 11 13 33 39 99 117 143 169 429 507 1,287 1,521 1,859 5,577 16,731

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

16,731 50,194 25,097 75,292 37,646 18,823 56,470 28,235 84,706 42,353 127,060 63,530 31,765 95,296 47,648 23,824 11,912 5,956 2,978 1,489 4,468 2,234 1,117 3,352 1,676 838 419 1,258 629 1,888 944 472 236 118 59 178 89 268 134 67 202 101 304 152 76 38 19 58 29 88 44 22 11 34 17 52 26 13 40 20

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