λ
Ratio Atlas

9,986,156

22 × 89 × 28051
Deficient Even Composite

9,986,156 factors as 2^2 × 89 × 28051. Its 12 positive divisors give a proper-divisor sum of 7,686,604, so this integer is deficient. The Collatz stopping time is 251 steps.

Prime Factor Structure

Factorization String 2^2 × 89 × 28051
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 12
Divisor Sum (σ) 17,672,760
Proper Divisor Sum 7,686,604
Digit Sum / Digital Root 44 (Root: 8)
Adjacent Primes #9986113 ← → #9986161

Radix Representation

Decimal 9986156
Binary 100110000110000001101100 (24 bits)
Octal 0o46060154
Hexadecimal 0x98606C

Divisor Catalog (12)

Collatz Trajectory (251 steps to reach 1)

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

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