λ
Ratio Atlas

6,439,728

24 × 3 × 134161
Abundant Even Composite

6,439,728 factors as 2^4 × 3 × 134161. Its 20 positive divisors give a proper-divisor sum of 10,196,360, so this integer is abundant. The Collatz stopping time is 116 steps.

Prime Factor Structure

Factorization String 2^4 × 3 × 134161
Distinct Prime Factors 3
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 20
Divisor Sum (σ) 16,636,088
Proper Divisor Sum 10,196,360
Digit Sum / Digital Root 39 (Root: 3)
Adjacent Primes #6439717 ← → #6439729

Radix Representation

Decimal 6439728
Binary 11000100100001100110000 (23 bits)
Octal 0o30441460
Hexadecimal 0x624330

Divisor Catalog (20)

Collatz Trajectory (116 steps to reach 1)

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

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