λ
Ratio Atlas

13,156,425

34 × 52 × 73 × 89
Deficient Odd Composite

13,156,425 factors as 3^4 × 5^2 × 73 × 89. Its 60 positive divisors give a proper-divisor sum of 11,825,235, so this integer is deficient. The Collatz stopping time is 148 steps.

Prime Factor Structure

Factorization String 3^4 × 5^2 × 73 × 89
Distinct Prime Factors 4
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 60
Divisor Sum (σ) 24,981,660
Proper Divisor Sum 11,825,235
Digit Sum / Digital Root 27 (Root: 9)
Adjacent Primes #13156421 ← → #13156439

Radix Representation

Decimal 13156425
Binary 110010001100000001001001 (24 bits)
Octal 0o62140111
Hexadecimal 0xC8C049

Divisor Catalog (60)

Collatz Trajectory (148 steps to reach 1)

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

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