λ
Ratio Atlas

3,940,155

32 × 5 × 87559
Deficient Odd Composite

3,940,155 factors as 3^2 × 5 × 87559. Its 12 positive divisors give a proper-divisor sum of 2,889,525, so this integer is deficient. The Collatz stopping time is 66 steps.

Prime Factor Structure

Factorization String 3^2 × 5 × 87559
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 12
Divisor Sum (σ) 6,829,680
Proper Divisor Sum 2,889,525
Digit Sum / Digital Root 27 (Root: 9)
Adjacent Primes #3940147 ← → #3940159

Radix Representation

Decimal 3940155
Binary 1111000001111100111011 (22 bits)
Octal 0o17017473
Hexadecimal 0x3C1F3B

Divisor Catalog (12)

Collatz Trajectory (66 steps to reach 1)

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

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