λ
Sigma Notebook

8,385,417

33 × 310571
Deficient Odd Composite

8,385,417 is odd and not a perfect square. Its factorization is 3^3 × 310571 and its 8 divisors sum to 12,422,880.

Prime Factor Structure

Factorization String 3^3 × 310571
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 12,422,880
Proper Divisor Sum 4,037,463
Digit Sum / Digital Root 36 (Root: 9)
Adjacent Primes #8385397 ← → #8385427

Radix Representation

Decimal 8385417
Binary 11111111111001110001001 (23 bits)
Octal 0o37771611
Hexadecimal 0x7FF389

Divisor Catalog (8)

1 3 9 27 310,571 931,713 2,795,139 8,385,417

Collatz Trajectory (274 steps to reach 1)

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

8,385,417 25,156,252 12,578,126 6,289,063 18,867,190 9,433,595 28,300,786 14,150,393 42,451,180 21,225,590 10,612,795 31,838,386 15,919,193 47,757,580 23,878,790 11,939,395 35,818,186 17,909,093 53,727,280 26,863,640 13,431,820 6,715,910 3,357,955 10,073,866 5,036,933 15,110,800 7,555,400 3,777,700 1,888,850 944,425 2,833,276 1,416,638 708,319 2,124,958 1,062,479 3,187,438 1,593,719 4,781,158 2,390,579 7,171,738 3,585,869 10,757,608 5,378,804 2,689,402 1,344,701 4,034,104 2,017,052 1,008,526 504,263 1,512,790 756,395 2,269,186 1,134,593 3,403,780 1,701,890 850,945 2,552,836 1,276,418 638,209 1,914,628

More profiles

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