1,817,649

3² × 201961

Prime Factor Structure

Factorization String 3^2 × 201961

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Total Divisors 6

Divisor Sum (σ) 2,625,506

Proper Divisor Sum 807,857

Digit Sum / Digital Root 36 (Root: 9)

Adjacent Primes #1817611 ← → #1817663

1 3 9 201,961 605,883 1,817,649

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

1,817,649 5,452,948 2,726,474 1,363,237 4,089,712 2,044,856 1,022,428 511,214 255,607 766,822 383,411 1,150,234 575,117 1,725,352 862,676 431,338 215,669 647,008 323,504 161,752 80,876 40,438 20,219 60,658 30,329 90,988 45,494 22,747 68,242 34,121 102,364 51,182 25,591 76,774 38,387 115,162 57,581 172,744 86,372 43,186 21,593 64,780 32,390 16,195 48,586 24,293 72,880 36,440 18,220 9,110 4,555 13,666 6,833 20,500 10,250 5,125 15,376 7,688 3,844 1,922

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