2 × 3² × 21937

Prime Factor Structure

Factorization String 2 × 3^2 × 21937

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 855,582

Proper Divisor Sum 460,716

Digit Sum / Digital Root 36 (Root: 9)

Adjacent Primes #394861 ← → #394879

1 2 3 6 9 18 21,937 43,874 65,811 131,622 197,433 394,866

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

394,866 197,433 592,300 296,150 148,075 444,226 222,113 666,340 333,170 166,585 499,756 249,878 124,939 374,818 187,409 562,228 281,114 140,557 421,672 210,836 105,418 52,709 158,128 79,064 39,532 19,766 9,883 29,650 14,825 44,476 22,238 11,119 33,358 16,679 50,038 25,019 75,058 37,529 112,588 56,294 28,147 84,442 42,221 126,664 63,332 31,666 15,833 47,500 23,750 11,875 35,626 17,813 53,440 26,720 13,360 6,680 3,340 1,670 835 2,506

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