2 × 3² × 1111531

Prime Factor Structure

Factorization String 2 × 3^2 × 1111531

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 43,349,748

Proper Divisor Sum 23,342,190

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #20007557 ← → #20007569

1 2 3 6 9 18 1,111,531 2,223,062 3,334,593 6,669,186 10,003,779 20,007,558

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

20,007,558 10,003,779 30,011,338 15,005,669 45,017,008 22,508,504 11,254,252 5,627,126 2,813,563 8,440,690 4,220,345 12,661,036 6,330,518 3,165,259 9,495,778 4,747,889 14,243,668 7,121,834 3,560,917 10,682,752 5,341,376 2,670,688 1,335,344 667,672 333,836 166,918 83,459 250,378 125,189 375,568 187,784 93,892 46,946 23,473 70,420 35,210 17,605 52,816 26,408 13,204 6,602 3,301 9,904 4,952 2,476 1,238 619 1,858 929 2,788 1,394 697 2,092 1,046 523 1,570 785 2,356 1,178 589

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