λ
Ratio Atlas

12,558,164

22 × 19 × 373 × 443
Deficient Even Composite

12,558,164 factors as 2^2 × 19 × 373 × 443. Its 24 positive divisors give a proper-divisor sum of 10,689,676, so this integer is deficient. The Collatz stopping time is 104 steps.

Prime Factor Structure

Factorization String 2^2 × 19 × 373 × 443
Distinct Prime Factors 4
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 24
Divisor Sum (σ) 23,247,840
Proper Divisor Sum 10,689,676
Digit Sum / Digital Root 32 (Root: 5)
Adjacent Primes #12558163 ← → #12558173

Radix Representation

Decimal 12558164
Binary 101111111001111101010100 (24 bits)
Octal 0o57717524
Hexadecimal 0xBF9F54

Divisor Catalog (24)

Collatz Trajectory (104 steps to reach 1)

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

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