2 × 3² × 7² × 23

Prime Factor Structure

Factorization String 2 × 3^2 × 7^2 × 23

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 36

Divisor Sum (σ) 53,352

Proper Divisor Sum 33,066

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #20269 ← → #20287

1 2 3 6 7 9 14 18 21 23 42 46 49 63 69 98 126 138 147 161 207 294 322 414 441 483 882 966 1,127 1,449 2,254 2,898 3,381 6,762 10,143 20,286

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

20,286 10,143 30,430 15,215 45,646 22,823 68,470 34,235 102,706 51,353 154,060 77,030 38,515 115,546 57,773 173,320 86,660 43,330 21,665 64,996 32,498 16,249 48,748 24,374 12,187 36,562 18,281 54,844 27,422 13,711 41,134 20,567 61,702 30,851 92,554 46,277 138,832 69,416 34,708 17,354 8,677 26,032 13,016 6,508 3,254 1,627 4,882 2,441 7,324 3,662 1,831 5,494 2,747 8,242 4,121 12,364 6,182 3,091 9,274 4,637

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