λ
Ratio Atlas

18,240,254

2 × 9120127
Deficient Even Composite

18,240,254 factors as 2 × 9120127. Its 4 positive divisors give a proper-divisor sum of 9,120,130, so this integer is deficient. The Collatz stopping time is 133 steps.

Prime Factor Structure

Factorization String 2 × 9120127
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 27,360,384
Proper Divisor Sum 9,120,130
Digit Sum / Digital Root 26 (Root: 8)
Adjacent Primes #18240253 ← → #18240293

Radix Representation

Decimal 18240254
Binary 1000101100101001011111110 (25 bits)
Octal 0o105451376
Hexadecimal 0x11652FE

Divisor Catalog (4)

Collatz Trajectory (133 steps to reach 1)

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

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