2 × 3² × 16139

Prime Factor Structure

Factorization String 2 × 3^2 × 16139

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 629,460

Proper Divisor Sum 338,958

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #290497 ← → #290509

1 2 3 6 9 18 16,139 32,278 48,417 96,834 145,251 290,502

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

290,502 145,251 435,754 217,877 653,632 326,816 163,408 81,704 40,852 20,426 10,213 30,640 15,320 7,660 3,830 1,915 5,746 2,873 8,620 4,310 2,155 6,466 3,233 9,700 4,850 2,425 7,276 3,638 1,819 5,458 2,729 8,188 4,094 2,047 6,142 3,071 9,214 4,607 13,822 6,911 20,734 10,367 31,102 15,551 46,654 23,327 69,982 34,991 104,974 52,487 157,462 78,731 236,194 118,097 354,292 177,146 88,573 265,720 132,860 66,430

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