λ
Sigma Notebook

9,161,218

2 × 11 × 416419
Deficient Even Composite

9,161,218 is even and not a perfect square. Its factorization is 2 × 11 × 416419 and its 8 divisors sum to 14,991,120.

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Prime Factor Structure

Factorization String 2 × 11 × 416419
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 14,991,120
Proper Divisor Sum 5,829,902
Digit Sum / Digital Root 28 (Root: 1)
Adjacent Primes #9161203 ← → #9161219

Radix Representation

Decimal 9161218
Binary 100010111100101000000010 (24 bits)
Octal 0o42745002
Hexadecimal 0x8BCA02

Divisor Catalog (5 of 8)

Collatz Trajectory (163 steps to reach 1)

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

Showing the first 5 trajectory entries; the stopping-time total above is unchanged.

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