9,999,388

2² × 7 × 23 × 15527

Prime Factor Structure

Factorization String 2^2 × 7 × 23 × 15527

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Total Divisors 24

Divisor Sum (σ) 20,869,632

Proper Divisor Sum 10,870,244

Digit Sum / Digital Root 55 (Root: 1)

Adjacent Primes #9999347 ← → #9999397

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

9,999,388 4,999,694 2,499,847 7,499,542 3,749,771 11,249,314 5,624,657 16,873,972 8,436,986 4,218,493 12,655,480 6,327,740 3,163,870 1,581,935 4,745,806 2,372,903 7,118,710 3,559,355 10,678,066 5,339,033 16,017,100 8,008,550 4,004,275 12,012,826 6,006,413 18,019,240 9,009,620 4,504,810 2,252,405 6,757,216 3,378,608 1,689,304 844,652 422,326 211,163 633,490 316,745 950,236 475,118 237,559 712,678 356,339 1,069,018 534,509 1,603,528 801,764 400,882 200,441 601,324 300,662 150,331 450,994 225,497 676,492 338,246 169,123 507,370 253,685 761,056 380,528

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